Ms. Ibarra has 15 less hats than 7 times Ms. boyle. Find the correct expression for Ms. Ibarra

The correct expression for hats with Ms. Ibarra is a = 7b - 15 where "a" represents number of hats with Ms. Ibarra and "b" represents number of hats with Ms. boyle

Solution:

Given that Ms. Ibarra has 15 less hats than 7 times Ms. boyle

To find: correct expression for Ms. Ibarra

Let the number of hats with Ms. Ibarra be "a"

Let the number of hats with Ms. boyle be "b"

Ms. Ibarra has 15 less hats than 7 times Ms. boyle Which means,

Number of hats with Ms. Ibarra = 7 (number of hats with Ms. boyle) - 15

a = 7 (b) - 15

a = 7b - 15

So the correct expression for hats with Ms. Ibarra is a = 7b - 15