Answer:
Erin ran 12.5 miles
Luis ran 7.5
In all they ran 20 miles.
Step-by-step explanation:
Erin: 5 x 3.5 = ?
Luis: 3 x 2.5 = ?
----------------------------
5 x 2.5 = 12.5 . Erin ran 12.5 miles
3 x 2.5 = 7.5 . Luis ran 7.5 miles
7.5 + 12.5 = 20 miles
They ran 20 miles all together.
Hope this helps!
Answer:
115
Step-by-step explanation:
set up the equation to find x:
GFN+NFG=GFE
(4x+10)+(14x+3)=157
calculate for x
you'll get x=8
put 8 into NFE
14(8)+3=115
Answer:
4x^2-x/x^2+x-2
Step-by-step explanation: