Question

Can someone make a formula for this problem?

Answer 1

Explanation:

solution 1 :

adult : 7 - x

child : x

total spend : 54.50 = (7 - x) * 9.5 + x * 6.5

we solve : 54.50 = 66.5 - 3x , x = 4

solution 1 :

adult : y

child : x

x + y = 7.......(1)

total spend : 54.50 = y * 9.5 + x * 6.5........(2)

we solve : x= 4 , y = 3