7.RP.3 Practice

What is the formula for simple interest?

• I = K*Y*X

• I = I*P

• I = P*r*t

• P = x*y

Katie and her friends go to dinner and have a total bill of $48.92. They want to leave the waiter a 14% tip. How much money should they leave for a tip?

• $6.85

• $5.00

• $7.50

• $4.89

If a real estate agent earns a 4% commission and earned $7,560 on the closing of a home, how much did the house cost?

• $189,000

• $200,000

• $150,000

• $175,000

A furniture store is getting ready for a big sale and marking all their prices down by 45%. If one of their items is regularly priced at $375, what is the sale price?

• $206.25

• $250.00

• $300.00

• $175.00

The number of dogs rose in Western town by 60% this year. If there were 85 dogs last year, how many dogs are there now?

• 136

• 130

• 140

• 125

Missy wants to buy a new iPhone for $385. If she will be charged 7.5% sales tax, how much sales tax will she pay?

• $28.88

• $29.00

• $30.00

• $27.50

In May, Ali was charging $20 for individual basketball lessons and in August started charging $25. What percent did she increase her prices?

• 25%

• 20%

• 15%

• 30%

Kaitlin budgeted 35% of her savings for a new phone. If she had $800 in her savings, how much can she use towards her new phone?

• $280

• $300

• $350

• $250

Drew found a pair of sunglasses for $38 and sales tax is 7.5%. What is the total bill he will pay for the sunglasses?

• $40.85

• $38.00

• $41.85

• $39.50

Luther takes 45 bottles of water on a camping trip. If he drinks 80% of them, how many does he have left?

• 9

• 15

• 18

• 36