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The Italian restaurant near your housesold 60 plain pizzas last week. They sold42 fewer plain pizzas this week than lastweek. What is the percent change in thenumber of plain pizzas sold from last weekto this week?

Respuesta :

60 plain pizzas last week

42 fewer pizzas this week

Number of pizzas sold this week = 60 - 42 = 18

60 ------------------------- 100

18 ------------------------ x

x = (18 x 100)/60

x = 1800/60

x = 30%

The percent change will be 100 - 30 = 70%

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