Twenty less than 8 times a number is the same as 15 more than the number

Icould really use some with this question.

Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is