21
Turn 75%into a decimal 0.75 than multiply that by 28
It would be 3 1/3 because you multiply the side lengths of the first triangle to get the second. Hope this helps:)
Answer:
24
Step-by-step explanation:
(72/-9) / (-1/3)
72/-9) x (-3/1)
(72)*(-3) = - 216/ -9
= 24
Subtract tips from total:
87.05 - 50.25 = 36.80
Divide the remainder by 4.60:
36.80 / 4.60 = 8
She worked 8 hours.