Write the value of each digit 7,519,456

In order to be able to write a number in expanded form, you must first understand how to find the value of a number.

Value represents the worth of a number based on the place that it is in.

7 → 7,000,000

5 → 500,000

1 → 10,000

9 → 9,000

4 → 400

5 → 50

6 → 6

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: