What would happen if the air outside the hot air balloon were as hot as the air inside?¯\_(ツ)_/¯

These question are hard can you me with answers

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

A50% increase followed by 33 1/2% decrease