Answer:
Step-by-step explanation:
Bringing like terms on one side
4x - x = 7 + 1/2
3x = 7.5
x = 7.5/3
x = 2.5
83, the only number between 78 and 88 that has a 3 in the ones place.
Hope this helps!
Val would walk 10 2/5 miles in 4 days, so he/she would travel the greatest distance
