Answer:
280 cups total.
Step-by-step explanation:
Tricky. The explanation and answers are on attached images.
He can make 7.5 shelves so, 7 shelves.
60
10% = ?
54= ?
100%-10%=90%
54=90%
54/9=6
6=10%
6*100%=60
the average rate of change is two
so m=2
