Grade 7 Unlimited Math Practice: Algebraic Expressions with Percents

An item is on sale for 68% off. If the original price of the item was x. Which expression can be used to find the sale price?

The price of a gold bullion was originally $x. If the gold bullion increased by 13%, which expression can be used to find the price now?

The population of squirrels in a park increased by 134%. If the original population of squirrels was x. Which expression can be used to find the population now?

The population of gophers in a park increased by 36%. If the original population of gophers was x. Which expression can be used to find the population now?

An item is on sale for 45% off. If the original price of the item was x. Which expression can be used to find the sale price?