Your brother would be nine years old.
Answer:
21.99
Step-by-step explanation:
This is simple just times 3.14 and 7 to get 21.99
Answer:
4/5 = 80%
Step-by-step explanation:
4/5 can be multiplied by 20 to get 80/100. Percent is out of hundredths so it becomes 80%.
Answer:

Step-by-step explanation:
Given
Let x represent the number of tickets, and p the charges

A reduction of 50c gives an increment of 50 tickets.
This gives:
---- 

Required
Determine the demand function
First, calculate the slope:




So, the equation is:




Hence, the function is:

Answer:
3(6+4) ._. hope this helps