Answer:
(I did both because I'm not sure which problem you are referring to.)
Left: 3.5 miles per hour
Right: *equation- 12.5+2.5x=27.5*
6 pairs of socks
Explanation:
Left:
First, make a ratio of 0.875 miles/15 minutes. (I converted to decimal form) Next, I made another ratio of x miles/60 minutes. This tells me how many miles she ran in an hour.
Then, to get from 15 minutes to 60 minutes(1 hour), I divided 60 by 15, and got 4. Since to get from 15 to 60 is to multiply by 4 in the denominator, you will also have to multiply 0.875 by 4 in the numerator. By doing that, you will find that x is equal to 3.5 miles.
Right:
First, I made an equation 12.5+2.5x=27.5.
12.5 represents the cost of one shirt.
2.5 represents the cost of a pair of socks
x represents the unknown amount of socks.
27.5 represents the total amount of money she spent.
Next, my goal is to figure out what x is, so I substracted 12.5 from both sides in order to get x to be alone. *Result: 2.50x=15
Then, I divided 2.50 from both sides, and got x=6
I hope this helped!