Answer:
63
Step-by-step explanation:
9*7=63
63/9=7
Depends on the dimensions of the garden
the most economical for resources is 10 ft*10 ft=100 sq ft
11=121
11×any number = to double like 7×11=77
but
10×11=110
11×11=121
11×12=132
To determine the break even number of yearbooks, equate the revenue with the total cost. Let x be the number of yearbooks sold so that the break even equation becomes,
15x = 12000 + 5x
The value of x is 1200. Therefore, the answer is letter B.