# ratios and porportions

**1)**

Jade’s car will go 35 feet on 3 gallons. Jade wants to know how fuel efficient the car is. Please help by computing the ratio. (round to 2 decimal places)

**2)** There is a special at the store: $60 for 6 limes. Ann is trying to figure out if it’s a good deal. Help Ann figure out the unit price (round to 2 decimal places)

**3)** Gill found 26 tulips for $9. Please help Gill by figuring out the ratio. (round to 2 decimal places)

**4)** Jade can travel 16 miles in 11 hours. Please calculate Jade’s rate of speed. (round to 2 decimal places)

**5)** A display case of sweaters are marked 2 for $7. If Waldo wants to buy 38 sweaters, how much will Waldo spend (not including tax)?

**6)** To make a fruit salad, Opal uses 28 pears for every 9 people. If Opal wants to serve 27 people, how many pears will Opal use?

**7)** A display case of wallets are marked 19 for $2. If Betty has $38, how many wallets can Betty get? (Assume no tax or other fees.)

**8)** A display case of jackets are marked 60 for $17. If Molly wants to buy 900 jackets, how much will Molly spend (not including tax)?

**Simplify:**

**9)** You are lost, and ask someone for directions. They drew a quick map for you and told you that 16 inches : 19 kilometers. If the distance to your destination is 209 kilometers, how far away is your destination on the map in inches?

**10)** The flag of OverlySandy Beach always has to be in a 7 : 8 scale. If you have enough fabric to make the item have 40 millimeters as its length, what does the width of the flag need to be in millimeters?

**11)** You are lost, and ask someone for directions. They drew a quick map for you and told you that 2 inches : 9 yards. If the distance to your destination is 72 yards, how far away is your destination on the map in inches?

**12)** The flag of Imaginary Island always has to be in a 5 : 8 scale. If you have enough fabric to make the item have 45 centimeters as its width, what does the length of the flag need to be in centimeters?

**Solve:**

**13)** A certain ore contains 20 percent quartz. How much ore (in tons) is needed to obtain 1700 tons of quartz?

**14)** A snail can move 8 inches in 11 minutes. At this rate, how many feet can it move in 33 hours?

**15)** If Craig cleans a 2000 square foot building for a total of $466.00, what is the amount Craig gets paid per square foot?

**16)** A certain ore contains 12 percent copper. How much ore (in tons) is needed to obtain 588 tons of copper?

**17)** If Nancy’s rent is $583 per month and Nancy moved in on the 21^{th} of October, what will Nancy’s prorated amount be?

**18)** A substance is 96% water. Some water evaporates, leaving a substance that is 95% water. How much of the water evaporated?

**19)** In a cafeteria, the ratio of the number of girls to the number of boys was 6:7. When 117 girls entered the cafeteria, the new ratio of the number of girls to the number of boys became 7:6. How many pupils were in the auditorium at first?

**20)** In a school, the ratio of the number of girls to the number of boys was 3:5. When 70 girls entered the school, the new ratio of the number of girls to the number of boys became 2:1. How many pupils were in the auditorium at first?

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