Question

You go to a store to buy clothing. When you buy more than one shirt, you get $10 off your purchase. You also have a coupon for 20% off your purchase, which is applied after the $10 discount. Write an expression that represents the total amount you pay for d shirts that cost $25 each.

Answer 1

You can buy $135 worth of shirts that cost $25 each.

What are Arithmetic operations?

Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions. The operator that performs the arithmetic operations.

* Multiplication operation: Multiplies values on either side of the operator

For example 12*2 = 24

When you buy more than one shirt, you get $10 off your purchase.

You also have a coupon for 20% off your purchase, which is applied after the $10 discount.

To determine how to write this as an equation.

Let x be the purchase total.

⇒ (x-10) - 20/100*(x-10) = 25

⇒ (x - 10)*(0.20) = 25

Divide by 0.20

⇒ x - 10 = 25/0.20

Add 10 to both the sides

⇒ x = 25/0.20 + 10 = 135

Learn more about Arithmetic operations here:

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