Question

Tickets for an adult cost 4 times more than a child. If they one adult and one child got a ticket and paid $20 for tickets total how much was each ticket.

this is a similar problem to the one on my test and i need to know the step on how to do it.​

Answer 1

One adult ticket is $16, and one child ticket is $4

Explanation:

Let A be the price for an adult ticket

Let C be the price for a child ticket

First write out the equations based on the given information

A = 4C

A + C = 20

Since we know that A is the same as 4C, you can sub in 4C into A + C = 20

4C + C = 20

5C = 20

C = 4

You can now sub in C = 4 into A + C = 20

A + 4 = 20

A = 16

Therefore, an adult ticket costs $16, and one child ticket is $4