Lena sells cosmetics and receives commission of 45%. she sold $200 worth of cosmetics to one customer. how much commission did she earn?

Lena earns 45% of commission on the amount of sale she does.

She sold $200.00 worth cosmetics to a customer.

So we need to find 45% of $200.00.

a% of b is given by:

Using the formula above we can find the amount of commission earned by Lena:

So Lena earned $90.00 in commission over the sale worth $200.00 that she made.

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step-by-step explanation: