Please solve these questions

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.

What is the value of x in the this question ?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal