leannamat2106 leannamat2106

30-01-2019
Mathematics

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A machine at a factory fills 20 bottles per minute. Which rate is equal to this unit rate

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batista68 batista68

30-01-2019

Answer:

38.5

Step-by-step explanation:

Lets say, first number = x

Second number = 3x+7

Total = 49

(x)+(3x+7)= 49

4x+7 = 49

4x = 42

x = 42/4

x= 10.5

x= 10.5

3x+7 = 3(10.5)+7 = 38.5

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