3/16 EE.2 Equivalent Percent Problems

3/16 EE.2 Equivalent Percent Problems

Today, I can rewrite percent problems by combining like terms.

Multiple Select

A store is having a sale during which all outdoor furniture is 45% off the original price, p. If the post-sale price of an outdoor furniture set can be calculated using the expression p - 0.45p, which other expressions also represent this situation?

• 0.45p

• 0.55p

• 1.45p

• (1 + 0.45)p

• (1 - 0.45)p

Sometimes you're not given an expression... you have to make it yourself!

PERCENTS THAT GET ADDED

• TIPS: Leaving an 18% tip on a meal, m, would be m + 0.18m OR 1.18m

• TAXES: Paying 7% tax on a shirt, s, would be s + 0.07s OR 1.07s

• MARKUPS: Increasing the price of an item, p, by 11.5%, would be p + 0.115p OR 1.115p

Multiple Choice

The price of a diner's meal is p dollars, including tax. If the diner adds a 20% tip to the price of the meal, which two expressions represent the total price of the meal, including the tip?

• 1 + 0.02p

• p + 0.2p

• 1.02p

• p + 0.2

Multiple Choice

A store marks up the merchandise it receives from the manufacturer by 25%. Which expressions can be used to determine the price the store charges when the manufacturer charges m dollars?

• 0.25m

• 1.25m

• 0.75m

• 1.75m

Multiple Select

A store charges 5.5% sales tax on all items. If an item costs d dollars before tax, which two expressions represent the total cost of the item, in dollars and cents, after tax?

• 0.055d

• 1.055d

• 1.55d

• 1+0.55d

• d+0.055d

PERCENTS THAT GET SUBTRACTED

• DISCOUNTS: a 17% discount on a pair of sneakers, s, could be written as...... s - 0.17s OR (1-0.17)s OR 0.83s

Multiple Choice

A car dealership offers a 15% discount to customers during an annual holiday sale. If the original price of a certain SUV is s dollars, which expression represents the cost of the SUV after the discount is applied?

• 0.15s

• 0.85s

• 1.15s

• 1.85s

DRUMROLL PLEASE

Let's take a look at the benchmark question that had us TRIPPIN'!

Great Job! Head to Schoology's Tuesday folder for the next activity!

Multiple Choice

An athlete weighs p pounds before starting a new training program. If the expression 1.15p represents the athlete's weight at the end of the program, which expression also represents the athlete's weight at the end of the program?

• 0.15p

• 0.85p

• 1+0.15p

• p+0.15p