Simplify the following expression:

84/7(4-1)

84/7(4-1)

84 / 21 = 4

MACHO ATE 125 HOT DOGS OVER A FIVE DAY PERIOD. EACH DAY HE ATE SEVEN MORE HOTS THAN ON THE PREVIOUS DAY HOW MAY HOT DOGS DI HE EAT ON THE FIRST DAT