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Mary spent a total of $322.78 for a party. She spent $200.66 on food, plus an additional $30.53 for each hour of the party. How long was the party?

Respuesta :

avasofia04
let h equal the length of the party in hours

200.66 + 30.53h = 322.78

now just solve for h :)
30.53h = 122.12
h = 4

so the party was 4 hours long
jazlin68
4 hours because you have to first subtract 322.78 and 200.66 then whatever you get you divide that by 30.53

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