Acharity bingo game costs $2 per round and has a $13 entry fee for an adult. it costs $3 per round and a $10 entry fee for a child. for how many rounds of bingo are the costs the same for an adult and a child? a 2 b 3 c 4 d 5

For this case we have to:

x: Be the variable that represents the number of adult rounds

y: Be the variable that represents the number of rounds of children

We want to know for what amount of rounds bingo costs are the same for adults and children.

Adult costs = 2x + 13

Child costs = 3y + 10

Matching:

We want the same number of rounds, x = y:

Thus, for 3 rounds the costs are the same.

3

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