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Ted has run 12 miles this month. each day he wants to run 3 miles until he reaches his goal of 48 miles. Write an equation and solve

Sagot :

If x is the number of days Ted is going to run, the given situation can be written in an algebraic way as follow:

12 + 3x = 48

12 because this is the number of miles Ted has already ran, 3x is the number of miles Ted has run after x days, and 48 because he wants to reach his goal of 48 miles.

In order to determine how many days he need to reach his goal, you solve the previous equation for x, just as follow:

12 + 3x = 48 subtract 12 both sides

3x = 48 - 12 simplify

3x = 36 divide by 3 both sides

x = 36/3

x = 12

Then, Ted needs 12 days to reach his goal of 48 miles