Register
Marcus spent 10 hours doing his homework last week. This week he spent 11 hours doing homework. He says that he spent 110% more time doing homework this week. Is he correct? Show your work to justify your
184k views
0 votes
Marcus spent 10 hours doing his homework last week. This week he spent 11 hours doing homework. He says that he spent 110% more time doing homework this week. Is he correct? Show your work to justify your decision

User Rony
by
7.4k points

2 Answers

3 votes
The answer is incorrect because 11-10=1. and 1÷10 is 10. 10(100) Is 10%. Marcus just added a zero to eleven and turned it into a percent . This is why Marcus is incorrect
User Jeremy Holt
by
7.4k points
6 votes
He is indeed incorrect, because change is described as [change] / [original amount]. Therefore, he actually only studied 10% more than the previous week
User Hfactor
by
8.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.6m questions

11.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
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
Link Copied!