Answer:
Step-by-step explanation:
Given
Required
Find d
We have:
Substitute:
Express as:
Split
To write in form of:
The value of a must be:
So, we have:
Approximate
Answer:
First day: 45x +20y = 875
Second day: 25x + 40y = 775
Adult ticket price: $15
Step-by-step explanation:
See paper attached. (:
Answer:
b=2
Step-by-step explanation:
15b+10b=50
25b=50
b=2