Katie works part-time at a fallbrook riding stable she makes $5 an hour for exercising horses and $10 an hour for cleaning stalls because katie is full-time student you cannot work more than 12 hours per week she wants to earn no less than 90

dude   i don't even know. i've been trying for hours.

step-by-step explanation:

answer: it's d

step-by-step explanation:

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d