Proportion & Correlation( Week 28 Evaluation) 1. For each black lamb, there are 4 white lambs. If there are 4 black lambs, how many lambs are there in total? 2. What is the average speed of a car in MPH (miles per hour) if it takes 3 minutes to go one mile? (1 hour = 60 minutes ) 3. If a box weighs 4 pounds plus a box, what is the weight (in pounds) of boxes? 4. The scale on a map says that "1 inch = 3 miles". If the distance on the map is 3.52 inches for a trail, how long is the trail? Express your answer as a decimal in miles. 5. Seattle and Boston are 3000 miles apart. How many inches apart are the two cities on a map with a scale of 1 inch for 100 miles? 6. Kevin was checking his pulse while he was jogging. He counted his heart beat 22 times in 15 seconds. What is Kevin's heart beat expressed in beats per minute? (1 minute = 60 seconds ) 7. Jane and Jennifer ran a 100-meter race, and Jane wins by 4 seconds. If they run a 200-meter race, and each runs at the same speed as in the 100-meter race, how many seconds will Jennifer need to run when Jane reaches the finish line? 8. The ratio of sugar to flour in my grandma's favorite cookie recipe is 5:8. If there are 12.5 cups of sugar to be used, how many cups of flour will be needed? 9. If Hillary can bike 60 feet in 6 seconds, how many minutes will it take her to bike 4200 feet? 10. Hillary was taking her pulse while she was running. She found that her heart beat 28 times in 15 seconds. What was her heart beat per minute? Note that 1 minute = 60 seconds. |