The number of 22 cent stamps, n, can be found by solving the equation: 22n + 17(20 − n) = 400

How many 22 cent stamps are in the book?

The number of 22 cent stamps, n, can be found by solving the equation: 22n + 17(20 − n) = 400

How many 22 cent stamps are in the book?

Answer:Step-by-step explanation: