There are 9 apples in the 11th bag
Explanation:
Number of apples x frequency adds up to 87
96-87=9
8.983. Roughly 9 hours. 631-92=539. Divide that by 60. You get 8.983.
Y<-1/2x
Y> or = -1
Because if you plug in a number then it's the only one that fits
7.7, 775%, 7 4/5, then 7 5/6.