woodberryaija woodberryaija

09-12-2022
Mathematics

contestada

Paul and Chris work at a car shop. It takes Paul 30 minutes to change the tire, and
it takes Chris 30 minutes to change the tires. If they work at their own rates,
approximately how long would it take them to change the tires of one car.
a. 35 min
b. 10 min
c. 20 min
d. 15 min.

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