Question

PLEASE HELP ME!! I WILL GIVE A MEDAL TO THE BEST ANSWER!...

Choose the answer.

Marcus biked 15.7 miles on saturday and 13.9 miles the following Thursday. Ellen biked the same total distance as Marcus, but only biked 12.8 miles on saturday.

How far did ellen Ellen bike on Thursday?

A. 2.9 miles

B. 16.8 miles

C. 29.6 miles

D. 28.5 miles

Answer 1

Marcus biked 15.7 + 13.9
Ellen biked 12.8 + x
Since they biked the same total distance, we can make this equation:
\[15.7+13.9=12.8+x\]
Then solve for x.