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olga2289 [7]
3 years ago
12

they were selling pizza for $1.50 and hotdogs for $1.25. they sold 20 more slices of pizza than hotdogs, and for the sales total

ed $173. how many slices of pizza did they sell?
Mathematics
1 answer:
givi [52]3 years ago
6 0

Answer:

  • 72

Step-by-step explanation:

<u>Cost of each item:</u>

  • Pizza = $1.50, Hotdogs = $1.25

<u>Number of each item:</u>

  • Pizza = x, Hotdogs = x + 20

<u>Total cost:</u>

  • 1.25x + 1.5(x + 20) = 173
  • 1.25x + 1.5x + 30 = 173
  • 2.75x = 143
  • x = 143/2.75
  • x = 52

<u>Number of slices of pizza:</u>

  • 52 + 20 = 72
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