Question

Maxine spent 15 hours doing her homework last week. This week she spent 18 hours doing homework. She says that she spent 120% more time doing homework this week. Is she correct? Show your work to justify your decision.
@ganeshie8

Answer 1

last week she worked for `15` hours
this week she worked for `18` hours

so how many more hours did she work this week ?

Answer 2

21 ?

Answer 3

is it ?

Answer 4

how ?

Answer 5

I just added 3 hours

Answer 6

Ahh I see :)
but thats not what i have asked..

Answer 7

last week : 15
this week : 18

that just means this week she workd 3 hours more, yes ?

Answer 8

what percent is it of 15 ?

Answer 9

\[\large \dfrac{3}{15}\times 100 = ?\]

Answer 10

20

Answer 11

20%

Answer 12

so she has just worked 20% more this week

Answer 13

yes

Answer 14

So now can we put all the work into complete sentences

Answer 15

Notice she is incorrect because she did not work 120% more, she has just worked 20% more this week.
go ahead and explain it ina s many sentences as you can :)

Answer 16

is that it

Answer 17

yes thats it