Answer:
x is the price the helmets were sold at.
y is the business expenses.
r is the revenue.
500x - y = r
Step-by-step explanation:
500x - y = r
We multiply x, the price that the helmets were sold at. Then we subtract y, which is the business expenses. After this, we get r, our revenue.
Multiply 
by 80 and you will get how many boys play video games daily.
44 is the number of boys who play video games daily.
Answer:
if im right 1600? i did it in my head so im not 100 percent sure
Step-by-step explanation:
Answer:
The answer is (4x-1)·(3x+2)
Step-by-step explanation:
Answer: 60
Step-by-step explanation: 60 because if you do 3×20 You get 60 which is higher than 50 and lower than 100 :)
