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?

3 rounds

step-by-step explanation:

cost of adult:

so, round cost would be

total cost for an adult is thus sum of these 2:

total cost =

cost of child:

so, round cost would be  

total cost for child is thus sum of these 2:

total cost =

to figure how many rounds would make both the costs equal, we set both equations equal and solve for x, number of rounds.

so, for 3 rounds of bingo, the costs of adult and child are the same.

i dont know sorry

step-by-step explanation: