Practice for proportional relationships test

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Presentation transcript:

Practice for proportional relationships test Sample questions

Question one Set up and solve a proportion to solve each problem. Mr. Green works as the art teacher at Hamburg Summer Day Camp. Six hundred campers participate in the camp every day. Yesterday Mr. Green helped 6 campers on an art project. What percent of the campers did Mr. Green help yesterday?

Question two Set up and solve a proportion to solve each problem. What is 78% of 50?

Solve each problem Question three Question four You want to leave a tip for a meal that costs $17.95. If all you have is $3.00, what percentage tip will you be able to leave? Shalinda wants to leave an 18% tip for her meal. If her meal cost $25.10, what should be the total she pays, including the tip?

Question five If a store marks up the price of an item by 45% and sells it to customers for $58, what was the original price the store paid for the item?

Find the answer to the problem Question six Question seven Lin paid $3.30 in sales tax on an item that cost $60. What percent sales tax did he pay? Karen buys a sweatshirt for $30. The sales tax in her state is 7%. What is the total amount Karen will pay for the sweatshirt, including sales tax?

Question eight The heart of a black bear beats about 50 times per minute during normal sleep in the fall. When the animal hibernates in winter, its heart rate decrease by 84%. How many times per minute does a black bear’s heart beat during hibernation?

Question nine The peach tree in Anthony’s back yard produced 56 pounds of peaches in one summer. The next summer, it produced 14 pounds less than the previous year. What is the percent change in the number of pounds of peaches produced from one summer to the next?

Question 10 The local animal shelter had 12 dogs at the beginning of the week. Since then, the number of dogs at the shelter has decreased by 9. What is the percent change in the number of dogs at the animal shelter this week?

Extra credit 2 points 2 points 5 points Write the percent proportion Write the percent equation Write the simple interest formula and define the variables