Answer:
Step-by-step explanation:
Let
t -----> the number of tickets
y ----> the total amount raised
we know that
The linear equations that represent this situation are
<u><em>One Class</em></u>
-----> equation A
<u><em>Other Class</em></u>
-----> equation B
Solve the system of equations
Equate equation A and equation B and solve for t
Answer:
13
Step-by-step explanation:
Volume to find radius:
Substitute:
Solve:
13≈r
Answer:
Step-by-step explanation:
Alex's will pay a total of $99.86
Step-by-step explanation:
Tax Rate:
$78.00+8%
8% of $78.00=6.24
78.00+6.24=84.24
Tip:
20% of 78.00=15.6
Total:
(Bill+Tax) 84.24+(Tip)15.6=$99.86