subject

Mathematics, 17.06.2020 02:57 niya11057

Mark has 32 DVDs. His friend gives him some more. Mark now has 40 DVDs. What is the percentage change of DVDs?

a. 80%
b. 25%
c. 125%
d. 20%
explain your working out

Mark has 32 DVDs. His friend gives him some more.

Mark now has 40 DVDs. What is the percentage ch

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 14:00

Find the length of cu, the triangles are similar.

Answers: 2

question

Mathematics, 21.06.2019 21:00

3x + 4y = 5 x- 3y = -7 solve by substitution

Answers: 1

question

Mathematics, 21.06.2019 22:00

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

Answers: 2

question

Mathematics, 21.06.2019 23:00

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Answers: 2

You know the right answer?

Mark has 32 DVDs. His friend gives him some more. Mark now has 40 DVDs. What is the percentage chan...

Questions

question

Physics, 05.08.2019 01:50

According to the article, outside influences and puberty are major factors that determine the level of a teen's self-esteem. of the two factors, which...

question

Mathematics, 05.08.2019 01:50

Which number is prime? a. 27 b. 29 c. 32 d. 33...

question

Chemistry, 05.08.2019 01:50

How would a solution that is labeled 5.0 m would be read as? 5.0 molar 5.0 moles 5.0 concentrated 5.0 dilute...

question

Mathematics, 05.08.2019 01:50

For the sequence an = 3n - 5, what is the value of a30?...

question

History, 05.08.2019 01:50

Scientists are trying to determine the exact age of a rock sample. which method for measuring the age of rocks might be used?...

question

Mathematics, 05.08.2019 01:50

Put in the form of a+ib 5.(cos 7π/6+sin7π/6)...

question

History, 05.08.2019 01:50

Were the federal government loyalty programs intelligent and constitutional methods of preserving american values?...

question

History, 05.08.2019 01:50

Which historical event was the basis for the lliad and thr odyssey...

question

English, 05.08.2019 01:50

Read the rough-draft paragraph. exercising daily is one of the best ways to the body fight fatigue, illness, stress, and weight gain. whether taking...

question

Mathematics, 05.08.2019 01:50

Write a unit rate for the situation. round to the nearest hundredth if necessary. traveling 212 km in 6 h a.42.4 km/h b.0.03 km/h c.35.33 km/h d.30.29...

question

History, 05.08.2019 01:50

What were the goals of the bourbon triumvirate ?...

question

Biology, 05.08.2019 01:50

Scientists are trying to determine the exact age of a rock sample. which method for measuring the age of rocks might be used?...

question

History, 05.08.2019 01:50

How was european dominance different in south africa?...

question

Biology, 05.08.2019 01:50

Which is made up of the largest particles? a) conglomerate b) limestone c) sandstone d) siltstone e) shale...

question

Mathematics, 05.08.2019 01:50

What is the slope if the line that passes through the pair of points (-5.5, 6.1) (-2.5, 3.1)...

question

Chemistry, 05.08.2019 01:50

The general rule of thumb is that the (smaller or larger) a substance's atoms and the (stronger or weaker) the bonds, the harder the substance will be...

question

Social Studies, 05.08.2019 01:50

The system of checks and balances failed under andrew jackson when he a. acted against a ruling of the supreme court. b. passed the wagner act. c. dec...

question

Mathematics, 05.08.2019 01:50

What is the simplified form of 9-m^-3n^5 x 2m^-3n^-6 a.) -18m^5n b.) -18/m^5n c.) -18m^6/n^30 d.) -18m^6n^30 i think it’s either c or d...

question

Social Studies, 05.08.2019 01:50

If a train travels for 4.5 hours at a rate of 40 mph, what is the distance the train will travel?...

question

Mathematics, 05.08.2019 01:50

Dan bought 5 1/4 gallons of gas on friday and 6 1/2 gallons of gas on saturday how many liters of gas did you buy assume 1 gallon equals 3.8 l...

More questions: Mathematics Another questions

Questions on the website: 13722367