CHAPTER Ratios, Rates, and Proportional Reasoning

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Name: _____________________________________________________Date: ______________4. Find the unit rate.a) Three dinner rolls cost 99¢.b) Seven boxes have a mass of 14 kg.99¢=3 rolls 1 roll÷ 399=3 1÷ 3The unit rate isc) Two pens cost 84¢.¢/roll.The unit rate is .d) Four stacking blocks are 24 cm high...5. Find the missing value to make each rate equivalent.Include the units.× _____a)60 km= b)3 h 6 h× _____$3 $154 cans =6. Delia was paid $35 for 5 h of babysitting.a) How much will she earn for 1 h?Use a unit rate to find the answer.b) How much will she earn for 3 h?82 MHR ● Chapter 2: Ratios, Rates, and Proportional Reasoning
Name: _____________________________________________________Date: ______________7. Meredith was paid $54 for 6 h of housecleaning.How much will she earn for 2 h?Use a proportion to find the answer.pay for housecleaning for 6 h pay for housecleaning for 2 h ( p)=6 h 2 h÷ _____= $54 p=6 2p =÷ _____Sentence: ____________________________________________________________________8. Set up a proportion for each situation.a) If 10 beans have a mass of 17 g, then 30 beans have a mass of 51 g.g17 g=beans beansb) There are 15 boys for every 13 girls in each classroom in a school.If there are 75 boys in the school, then there are 65 girls.=c) On a map, 1 cm represents 25 km.Kendra wants to ride her bike 160 km.The distance is 6.4 cm on the map.2.3 Proportional Reasoning ● MHR 83
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CHAPTER Ratios, Rates, and Proportional Reasoning

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