Answer:
see explanation
Step-by-step explanation:
The meaning of n factorial → n !
n ! = n(n - 1)(n - 2)........ × 3 × 2 × 1
For example
7 !
= 7 × 6 × 5 × 4 × 3 × 2 × 1
Y =

This is because the total cost is 10x + 480 and then that needs to be divided by the amount of people.
Answer:3 hours total
Step-by-step explanation:
15+(3*3)=21+(1*3) which equals out to 24$
Step-by-step explanation:
(20). FH= 22-15 = 7
(21). FH = 42 - 22 = 20
(22). FH = 53 - 40 = 13