Percent Problems: Method 2

Fred used a coupon he had to buy a football, f.  If the coupon was good for a 15% discount, which expression below could be used to calculate

the new sale price of the football?

• 1.0f

• 1.15 + f

• 0.85f

• 1.15f

The amount of money in a bank account is represented by the variable m.  If the amount of money in the bank account increased by 22%, which expression represents the amount of money in the bank after the increase?

• 0.22m

• 1.22m

• 0.78m

• 0.22 + m

You went to the store and bought a computer that had a price tag of $950.  If the store charged you 7% tax, which expression can be used to calculate the total cost of the computer?

• 950(0.93)

• 950 + 1.07

• 950(0.07)

• 950(1.07)

The population of a city increased by 3% per year. What should we multiply the current population by to find next year's population in one step?

• 0.03

• 1.03

• 0.97

• 1.97

To find the population of a city next year, we multiply its current population by 0.85. By what percent did  the population decrease?

• 85%

• 15%

• 115%

• 185%

At a store a hat has a regular price of h dollars.  During a sale the hat is marked down by 20 %.  Which expression can be used to find the cost of the hat after the discount?

• 80h

• 0.2h

• 0.8h

• 1.2h

An item with an original price of p dollars is on sale at a 25% discount.  Which

expression is not equivalent to the price of the item with the discount?

• (1.0p - 0.25p)

• (1.0 - 0.25)p

• 0.75p

• 0.25p

 A store buys a lap for $35.  They then mark it up 75%.  Which expression below represents the selling price of the item?

• 75(35)

• 0.75(35)

• 1.75(35)

• 175 + 35

Millie’s Music shop sells a guitar for g dollars.   If there was a 8% tax to buy the guitar, which expression below would represent the cost of the guitar?

• 0.08g

• 1.08 + g

• 0.92g

• 1.08g

The population of a city is expected to increase by 7.5% next year. If p represents the current population,  which expression represents the expected population next year?

• 1.75p

• 1.075p

•  p + 0.075

• 1 + 0.075