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3 years ago

Can someone make a formula for this problem?

Mathematics

1 answer:

Usimov [2.4K]3 years ago

7 0

Answer:

Step-by-step 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

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