Register
Joe worked at 21 hours on his class project he worked it three times as long as Mary did how long did Mary work on her project
29.2k views
0 votes
Joe worked at 21 hours on his class project he worked it three times as long as Mary did how long did Mary work on her project

User Gthm
by
7.8k points

1 Answer

2 votes
21/3=7

mary worked 7 hours on her project.

hope it helps!
User Jo David
by
7.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.5m questions

11.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!