The instructor wants the profit to be positive, so
f(n) > 0
70n -400 > 0
n - 400/70 > 0
n > 5 5/7
The instructor must enroll at least 6 students to make a profit.
Answer:
16/25
Step-by-step explanation:
0.64 = 64/100
64/100 = 16/25
i divided by 4
64/4 = 16
100/4 = 25
Multiply 6x5= 30, 30 + 4 = 34
Then 7x5= 35, 35 + 4 = 39
34+39 = 73
73/5 = 14.6 or 14 3/5
Answer:
500 calories
Step-by-step explanation:
divide the 1250 calories by the initial five servings and you get 250 then multiply that by the 2 servings they are asking for and you get 500 calories
