Simpify the expression.5+4z-2zSimpilfied expression
2 answers:
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After 3 hours, the faster car will be 75 miles ahead of the slower car.
Step-by-step explanation:
Given,
Speed of first car = 56 miles per hour
Speed of second car = 31 miles per hour
Let,
x be the number of hours.
Distance covered by first car = Speed * time = 56x
Distance covered by second car = 31x
According to given statement;
Difference between distance covered by both cars = 75 miles
Distance of faster car - Distance of slower car = 75 miles
Dividing both sides by 25
After 3 hours, the faster car will be 75 miles ahead of the slower car.
Keywords: subtraction, division
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The simplest way to do this is to set up equivalent fractions. So, you'd do:
= 
and then solve for x.
x=52
x=52