Percents: Sales tax and tips

What is the percent equation?

• percent = decimal x whole

• part = percent (as a decimal) x whole

• whole = part x percent

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Cael buys a DVD for $14.00 and the sales tax is 8%. Which equation should he use to find the amount of sales tax.

• tax = percent (as a decimal) x cost

• percent = tax x cost

• cost = percent x tax

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

How much tax will Cael have to pay for the $14 DVD is the sales tax rate is 8%.

• 8 x 14 = 112 He will pay $112 for tax

• .8 x 14 = 11.20 He will pay $11.20 for tax.

• .08 x 14 = 1.12 He will pay $1.12 for tax

• I don't know how to find a percent of a number because I don't pay attention or do my assignments in math.

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Ryleigh buys a book for $22 and the sales tax is 6%. What equation will Ryleigh use to figure out how much the tax will be?

• 6 x 22 = $132

• .06 x 22 = $1.32

• .6 x 22 = $13.20

• I hope I never have to pay any sales tax because it's too complicated for me!

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Trey buys a new coat for $65 and the sales tax is 9%. Which equation should Trey use to figure out the amount of tax he will pay?

• tax = 90 x 65

• tax = .9 x 65

• tax = 9 x 65

• tax = .09 x 65

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Trey correctly chooses the equation: tax = .09 x 65 to find the sales tax of =$5.85. How can Trey find the total cost of the $65 coat including the tax?

• 65 + 5.85 = $7.085

• 65 - 5.85 = $59.15

• 65 + 5.85 = $70.85

• Trey should just forget the coat because it's way too hard to figure out what 9% of 65 is.

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

CCSS.7.RP.A.3

Joplin and Hannah go out to lunch and spend $22.00 on their meal. Their waitress is really nice, so they want to leave her a 15% tip. Which equation should they use to figure out how much her tip should be.

• 15 x 22

• .15 x 22

• 1.5 x 22

Tags

CCSS.7.NS.A.2

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Joplin and Hannah go out to lunch and spend $22.00 on their meal. Their waitress is really nice, so they want to leave her a 15% tip. How much is the total cost of the meal including the tip.

• $253

• $23.00

• $2.20

• $25.30

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.3

CCSS.7.RP.A.3

Joplin and Hannah need to figure out how much their total bill will be including the tip. If the meal was $22 and they are leaving a 15% tip, which equation should they use to determine the total cost including tip.

• $22 + $1.30

• $22 + 13.00

• $22 + $3.30

• They should just stiff the waitress because it's way too hard to compute a 15% tip and add it on to the cost of the meal.

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.3

Frank and Mason take their mothers out for dinner. They go to a swanky restaurant and the meal costs $80! They don't have enough money so their mothers will have to pay for the 20% tip. How can their mother's compute the amount of the tip?

• tip = 20 x 80 or $1600

• tip = 2 x 80 or $160

• tip = .2 x 80 or $16

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3