Round 99.59 to the nearest whole number

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i