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1) A factory produces 12 cars in 20 days how many days will it take to make 21 cars at this rate?
2) Johnny was driving at a rate of 45 miles on his way home he then increased his speed by 1/3 what is 1/3 of 45 miles what is johnny's new rate?
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Sagot :

1) The factory will produce 3/5th or 0.6 of a car per day (12 cars / 20 days = 0.6 car per day). The equation for the answer is: 21 / 0.6 = X. The answer is 35 Days.

2) You divide 45 by 3. You do this by multiplying 45 by 1/3, which is 15. You add 15 to 45, and you get a speed of 60 MPH. 

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