Answer:
21 is the answer for 18x +3
Step-by-step explanation:
18x + 3
x=3+18
x=21
Answer:
The interest rate per year is 0.1
Step-by-step explanation:
The equation is A = P(1+rt)
Substitute the numbers
3500 = 2500 (1+4r)
solve for r:




There are 12 tickets needed. Just add all the 4's together.