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Proportions

Proportions. Josh earned $200 for working 25 hours. He was paid the same amount for each hour he worked. At this rate, how much will he earn for working a total of 45 hours?. 200/ 25 = x/45 x = $360.

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Proportions

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  1. Proportions

  2. Josh earned $200 for working 25 hours. He was paid the same amount for each hour he worked. At this rate, how much will he earn for working a total of 45 hours?

  3. 200/ 25 = x/45x = $360

  4. Larry inspects 22 baseball gloves in 30 minutes. If he continues at the same rate, what is the number of gloves Larry can inspect in 8 hours?

  5. 22/0.5 = x/8x = 352 glovesRemember: question states minutes answer requires hours

  6. Carl usually drinks sports drinks or juice. While he was training for a marathon, Carl also drank 8 cups of water each day for 15 days. What was the total amount of water in gallons that Carl drank during those 15 days?

  7. 8 cups/15 days = 0.5 gallons/15 days0.5 gallons x 15 days = 7.5 gallons/dayRemember: Question states cupsAnswer requires gallons

  8. Jocelyn wants to make bracelets from a piece of chain that has a length of 127.5 inches. If each bracelet will have a length of 7.5 inches, what is the maximum number of bracelets she can make?

  9. 127.5 inches/7.5 inches = 17 inches/bracelet

  10. Joan is looking at a map that has this scale.1 inch represents 75 milesIf Sharpsburg and Centerville are cities that are 3 inches apart on the map, what proportion could Joan use to find the number of miles from Sharpsburg to Centerville?

  11. 1 in / 75 mi = 3 in / x milesx = 225 miles

  12. Kim is making a map of Antarctica on a sheet of paper. She plans to use 40 centimeters to represent 4500 kilometers, the approximate diameter of Antarctica. Kim needs to find the number of centimeters that will represent 100 kilometers for the scale of her map. What proportion should she use?

  13. 40 cm / 4500 km = x cm/ 100 km

  14. Jordan eats cereal 3 out of 4 days. She used this equation to predict c, the number of days she would eat cereal in 36 days. ¾ = c/36What is the value of c?

  15. 27 days

  16. Peter and Jean have summer jobs mowing lawns and trimming trees for the community center. They are each paid $6.70 per hour. One day they were 3 hours late for work because they were caught in traffic. What was the total loss in salary of Peter and Jean?

  17. About $7 x 3 = $21

  18. Chloe paid $39.25 including tax to have 5 rolls of film developed. If each roll of film has the same number of pictures, which estimate best describes the amount Chloe would have to pay to develop 1 roll?A. Between $8 and $9B. Between $7 and $8C. Between $6 and $7D. Between $5 and $6

  19. B. Between $7 and $8

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