Need assistance asap, not much time left

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80