Question

Laura is paying 1.07x including tax for a sweater that costs x before tax. Write this expression in another way to show the amount of tax Laura is paying.

Answer 1

Laura is paying 7% as tax.

1.07 is equal to 107%. To get the total price of something with tax you multiply it by 100% plus the tax. Simplify the percent to 1.07,

1.07x = x + 0.07x