Twin brothers, billy and bobby, can mow their grandparent's lawn together in 53 minutes. billy could mow the lawn by himself in 20 minutes less time that it would take bobby. how long would it take bobby to mow the lawn by himself?

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%