Plz help add explanation plz

5*5*5 - 12 / 3 = 121

Step-by-step explanation:

5^3 = 5 * 5 * 5 = 25 * 5 = 125

12/3 = 4

We evaluate exponents first: 5^3 = 125

Then division: 12/3 = 4

Then subtraction: 125 - 4 = 121

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations: