shakimeha shakimeha
  • 17-06-2021
  • Mathematics
contestada

At the book fair 32 books were sold in the first 2.5 hours. At this rate, how many books will be sold in the 10 hours of the book fair?

Respuesta :

clarch19
clarch19 clarch19
  • 17-06-2021

Answer:

128

Step-by-step explanation:

set up a proportion of # books sold/hours = # books sold/hours

let 'b' = # books sold

32/2.5 = b/10

cross-multply to get:

2.5b = 320

b = 320/2.5

b = 128

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