Question

Carl's goal is to walk 52 miles.

He walks 2 miles each day.
He has walked for 7 days.
Which equation can be used to find how many more
miles, n, Carl still needs to walk to reach his goal?

Answer 1

Answer: n = 19

Explanation:

Equation:

=(2*7)+2n=52

=14+2n=52

-14 -14

=2n=38

/2 /2

=n = 19