Ratios and Proportions

Ethan can drive his car 130 miles on 4 gallons of gas.  At this rate, how many gallons of gas will Trey need in order to drive 195 miles? 

• 16.25 gal
• 32.5 gal
• 4.5 gal
• 6 gal

Tags

CCSS.6.RP.A.3B

A group of friends is eating lunch at a restaurant.  The total cost of their meal is $52.50.  They have a coupon for $10 off the cost of their meal.  A sales tax of 6% is added to the cost after the coupon is applied.  What is the total amount that they owe, including tax? 

• $39.95
• $45.05
• $45.65
• $66.25

Tags

CCSS.7.EE.B.3

What is a Ratio?

• A comparison of two quantities

• To multiply two fractions

• A number over another number

• Two decimals that can be multiplied

What is 30% of 50?

• 16
• 16.3
• 17.4
• 15

Tags

CCSS.6.RP.A.3C

200 children attended the school play. Of the total attendance, 40% were boys. How many girls attended the school play?

• 800
• 180
• 80
• 120

Tags

CCSS.6.RP.A.3C

Starting money = $350.
Interest rate = 2.5%
TIme = 3 years.
How much interest?

• $7.50
• $26.25
• $87.5
• $262.50

Tags

CCSS.7.RP.A.3

You lend $240 to your friend.  He pays you back $270.  What interest rate did you charge your friend?

• 88%
• 20%
• 12.5%
• 10%

Tags

CCSS.6.RP.A.3C

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

Tags

CCSS.HSF-LE.A.1B

Is this table proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2A

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Tags

CCSS.5.OA.B.3