Ratios and Proportional Relationships Worksheet #22 Find the u
Transcription
Ratios and Proportional Relationships Worksheet #22 Find the u
Name: ________________________________ Chapter 3: Ratios and Proportional Relationships Math 7A Worksheet #22 Find the unit rate. 1. After working out, Jon took his heart rate and counted 25 beats in 10 seconds. At that rate, how many beats per minute would that be? 2. In 2 minutes, a copier copied 50 pages. At this rate, how many pages will the copier copy in 7 minutes? 3. If 3 oz of gold cost $1200, how much would one ounce cost? 4. Mike sells helium balloons. He charges $9 for 12 balloons. At this rate, what will Mike charge for 50 balloons? 5. If I donate $15 to my friend to run 3 miles in a marathon fundraiser, at this rate, how much should I give her for running 26 miles? 6. Brian and Steve want to compare prices of their favorite cereals to determine which is less expensive. The table below shows the price of each box of cereal and the number of ounces in each box. BOXES OF CEREAL Brian’s Cereal Steve’s Cereal Total Weight (in ounces) Total Price (per box) 24 oz. $3.84 48 oz. $4.80 Price (per ounces) Part A Complete the table above by calculating the price per ounce of each kind of cereal. Show your work. Part B Whose cereal is less expensive and by how much? Answer: