1) Sarah bought 3.50 kg of apples. She used 1.25 kg to make a pie. How many kilograms are left? a) 2.05 kg b) 2.25 kg c) 2.15 kg d) 2.35 kg 2) The morning temperature was −3.5°C. During the day it dropped 2.8°C. What is the new temperature? a) −6.3°C b) −0.7°C c) −5.7°C d) 0.7°C 3) A submarine descends at 12.5 m/min. After 4 minutes, how far below the starting point is it? a) −50 m b) −30.5 m c) −45m d) −25 m 4) A ribbon is 7.2 m long. It is cut into pieces each 0.8 m long. How many pieces are made? a) 8 b) 9 c) 7 d) 10

Solve Problems with Rational Numbers

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