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A restaurant has a special whereby both parents can eat for $20 and each child can eat for $5. Assuming a family group consists of both parents and at least one child, what is the maximum number of family groups that could have attended given that the restaurant took $115?

Answer :

I am not sure if I understand completely by I would say 4. Hope this was helpful!!
the answer 2.55555555555556

this is because the are 2 parents so 20*2=40 
 then we have 1 child. = 5 

= 45...... so 115/45= 2.55555555556

i hope this helps and please make this the braily-est answer. thanks 

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