subject
Mathematics, 28.11.2019 07:31 nscarlisleh13

Melinda and paula shovel driveways and sidewalks in the winter as a way to earn extra money. together they shoveled 450 square feet of sidewalk in 30 minutes. then melinda shoveled for 20 minutes while paula shoveled for 25 minutes to complete 345 square feet of driveway.

30x + 30y = 450

20x + 25y = 345

how much more can paula shovel in 1 minute than melinda?

3 square feet per minute

6 square feet per minute

9 square feet per minute

15 square feet per minute

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Answer this question! 30 points and brainliest! only if you know the answer.
Answers: 1
question
Mathematics, 21.06.2019 15:50
Assemble the proof by dragging tiles to the statements and reasons column
Answers: 2
question
Mathematics, 21.06.2019 20:00
Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?
Answers: 1
question
Mathematics, 21.06.2019 21:00
Find the values of the variables in the kite
Answers: 1
You know the right answer?
Melinda and paula shovel driveways and sidewalks in the winter as a way to earn extra money. togethe...
Questions
question
Mathematics, 11.11.2020 19:50
question
Mathematics, 11.11.2020 19:50
question
Arts, 11.11.2020 19:50
question
Chemistry, 11.11.2020 19:50
Questions on the website: 13722367