Max spent 15 hours doing her homework last week. this week she spent 18 hours she says she spent 120% more time doing homework this week. is she correct. show your work to justify.

Maxine is correct

Step-by-step explanation:

Given

last week= 15 hours

this week= 18 hour

Prove that hours this week is 120% than the hours last week

15 hours* 120%= 18 hours

18 hours/ 15 hours=1.20 x 100%= 120%

Maxine is correct. She spent 120% more time doing homework this week.

2

step-by-step explanation:

1+1=2

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.