Question

Susan is a college student with two part-time jobs. She earns $10 per hour tutoring elementary students in math. She earns $15 per hour cleaning in the library. Her goal is to earn at least $240 per week, but because of college, she does not work more than 20 hours each week.

PART B

Which combinations allow Susan to work no more than 20 hours in one week and earn at least $240?

Select the three correct combinations

A
9 hours tutoring and 10 hours cleaning the library

B
10 hours tutoring and 10 hours cleaning the library

C
11 hours tutoring and 8 hours cleaning the library

D
12 hours tutoring and 8 hours cleaning the library

E
13 hours tutoring and 7 hours cleaning the library

F
14 hours tutoring and 7 hours cleaning the library

Answer 1

hi ! any idea ?

Answer 2

try these choices step by step and see on what will get in the time of 20 hours this sum of $240

Answer 3

for example

A. 9 h tutoring and 10 h cleaning

9*10 = 90
10*15 = 150

so 90 + 150 = 240

what is your opinion about this choice ? so in this way try these others

Answer 4

do you understand it ?

Answer 5

hi ! do you have again questions ?