Translate into an algebraic expression: 22 decreased by y%

We have to decrease 22 by y%.

First we need to calculate what is y% of 22. y% of 22 simply means y% into 22 i.e.

y% x 22

= 0.01(y) x 22

= 0.22y

So 0.22 y is the y% of 22. Now we have to decrease 22 by its y% which becomes:

22 - y% of 22

= 22 - 0.22y

This expression can also be written as:

22 ( 1 - 0.01y)

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step-by-step explanation: