Question

The sales tax rate is 5%. if the sales tax on 10-speed car is $6 what is the purchase price?

the purchase price is
the total price is

Answer 1

Since the sales tax is 5% of the purchase price, we can just multiply it by $20 to get $120, the purchase price.
To get the total price, all we do is add $6 to $120, which is $126, the total price.