The total width of three shortboards is 4.5 inches more than the width of two longboards. write and solve an equation to find the width of a longboard.

Let the width of the shortboard is x and the width of the longboard is y.

Then, 3x = 4.5 + 2y.

Or, 3x - 2y = 4.5

If y = 11.25, then,

3x - 2(11.25) = 4.5

3x - 22.5 = 4.5

3x = 4.5 + 22.5

= 27

x = 9

Hence, one of the possible solution is width of the shortboard is 9 inches and the width of the longboard is 11.25 inches.

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step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.