Twelve questions on proportions, unit rates, converting a rate as well as a quantity, scale drawings, and the two rounding questions whose arithmetic is…
12 questions • Zestly
• A recipe that makes 12 cookies calls for 3 cups of flour. How many cups of flour are needed to make 30 cookies?
• On a map, 2 inches represent 15 miles. Two towns are 8 inches apart on the map. How far apart are they in reality?
• A machine makes 45 parts in 3 hours. Working at that same steady rate, how many parts does it make in 7 hours?
• A worker is paid 180 dollars for 12 hours of work. What is the hourly rate of pay?
• A garden hose delivers 3 gallons of water every minute. How many gallons flow in 2 hours?
• A car travels at 60 feet per second. What is its speed in miles per hour, given that one mile is 5280 feet and one hour is 3600 seconds?
• A sack holds 5 pounds of sand. How many ounces of sand are in the sack, given that one pound is 16 ounces?
• A model car is built to a scale of 1 to 24, meaning every inch on the model stands for 24 inches on the real car. If the model is 6 inches…
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