Week 5 Checkpoint

# Week 5 Checkpoint - Sectio n Page P roble m 5.1 381 P lease...

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Sectio n Page # Proble m # Please put your work and/or answer in this column Corrections by Instructor Credi t Earne d 5.1 381 8 The ratio ofto 4 2 285 to 2110 285 ÷ 2110 285 × = 1021 = 83 223 1 3 381 24 Write each of the following ratios in simplest form. The ratio of 7 dimes to 3 quarters ¢ ¢ 70 75 = × ¢ × ¢ 5 14 5 15 = 1415 383 34 Marc took 3 hours (h) to mow a lawn while Angelina took 150 minutes (min) to mow the same lawn a week earlier. Write the ratio of Marc’s time to Angelina’s time as a ratio of whole numbers. = = 3hrs150mins 180min150mins × 6 × = 30mins5 30mins 56 5.2 390 14 Find each rate. 240lbs of fertilizer6 lawns = 240lbs of fertilizer ÷ 6 = Lawns 40lbs of fertilizer 392 30 Which is the better buy: 5 lb of sugar for \$4.75 or 20 lb of sugar for \$19.92? . = \$4 75 5lbs 475cents5lbs = ÷ =. 475 5 95 per pound . = = \$19 9220lbs 199220 1992 ÷ = 20 \$1 per lbs 5lb bag of sugar is the better but 5.3 400 10 If Maria hit 8 home runs in 15 softball games, then she should hit 24 home runs in 45 games.

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= = ÷ = . 815 2445 8 15 53 24 ÷ =. 45 53 8 15 is equal to 2445 401 28 Determine whether each pair of fractions is proportional = = ÷ = . 58 75120 5 8
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