subject
Mathematics, 29.11.2021 08:20 ajay67

A jar contains 35 coins made up of 20c and 50c coins only. Then total value of the coins is $13.90.

(I) If there were x 20c coins, write an equation in x for the number of 50c coins.

(ii) Using the given information, write an equation in terms of x for the total sum of money
the jar holds.

(iii) Solve the equation to find the number of each type of coin in the jar.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 13:40
What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12
Answers: 1
question
Mathematics, 21.06.2019 19:30
00 points ! missy’s rotation maps point k(17, –12) to k’(12, 17). which describes the rotation? 270° counterclockwise rotation 90° counterclockwise rotation 90° clockwise rotation 180° rotation
Answers: 1
question
Mathematics, 21.06.2019 23:30
Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?
Answers: 1
question
Mathematics, 22.06.2019 00:00
In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work
Answers: 2
You know the right answer?
A jar contains 35 coins made up of 20c and 50c coins only. Then total value of the coins is $13.90...
Questions
question
Mathematics, 19.12.2020 01:00
question
English, 19.12.2020 01:00
question
Computers and Technology, 19.12.2020 01:00
question
Mathematics, 19.12.2020 01:00
question
Social Studies, 19.12.2020 01:00
question
Arts, 19.12.2020 01:00
question
Mathematics, 19.12.2020 01:00
Questions on the website: 13722363