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zavej400
17.10.2020 •
Mathematics
Dewayne and Julio are training for a bicycle race. They left from the same
point at the same time, riding in opposite directions. After 2 hours, they are
90 miles apart, and Julio's average rate is 10 miles per hour slower than
Dewayne's. If r represents Dewayne's average rate, which equation can be
used to find this rate?
Solved
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Ответ:
45 = r-10
Step-by-step explanation:
After 2 hours, distance apart is 90 miles
Julio's average speed = 10 miles per hour slower than
Dewayne's
Lets assume Dewayne's average speed to be : r miles per hour
So ;
Julio's speed will be : r - 10 miles per hour
The formula for average speed is : distance covered/ time taken
For Dewayne's speed it will be : 90/2 = r-10 the equation
45 = r-10
45-10 = r
35 mph = r
Thus Dewayne's rate is 35 mph and Julio's rate is 35-10 = 25 mph.
Ответ:
Tyrell gym should be the awnser good luck