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skad [1K]
2 years ago
12

Mary spent a total of $320.92 for a party. She spent $200.20 on food, plus an additional $30.18 for each hour of the party. How

long was the party? Write an equation first!
Mathematics
2 answers:
Vedmedyk [2.9K]2 years ago
6 0

Answer:

4.006627

Step-by-step explanation:

TEA [102]2 years ago
6 0
Equation: 320.92=200.20+30.18x
Total spent at party = food purchase + 30.18 per hour (x)

Subtract 200.20 from both sides.
120.72=30.18x

Divide both sides by 30.18x to get the x alone.
4=x

Because x represented how many hours you were at the party, the answer is 4 hours.
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