heather is bying a t shirt for 8 dollars. sales tax is 8 1/4 cents per dollar. how much will heather pay in sales tax on her purchase?

8 1/4 cents per dollar = 0.0825

8 * 0.0825 = 0.66

Or -- you could do it this way.

8 1/4 * 8 = 64 8/4 = 66 cents

$0.50

To calculate how much Heather will pay in sales tax on her purchase, you need to find the total sales tax amount by multiplying the purchase price by the sales tax rate.

First, convert the sales tax rate from a fraction to a decimal. The sales tax rate is 8 1/4 cents per dollar, which is equivalent to 8.25 cents per dollar or 0.0825.

Next, multiply the purchase price by the sales tax rate to find the amount of sales tax Heather will pay.

Purchase price = $8
Sales tax rate = 0.0825

Sales tax amount = Purchase price x Sales tax rate
Sales tax amount = $8 x 0.0825

Calculating the multiplication:
Sales tax amount = $0.66

Therefore, Heather will pay $0.66 in sales tax on her purchase.