King Cook
07/20/2023 · Junior High School

Are these pairs of quantities in direct proportion? Give reasons for your answers. a 12 hotdogs cost \( £ 21.60,15 \) hotdogs cost \( £ 27.00 \) yes, each hot dog costs \( £ \) b 5 apples cost \( £ 1.60,9 \) apples cost \( £ 2.97 \) No c Tom took 45 minutes to run 10 km , Ric took 1 hour 2 minutes to run 14 km

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a) Yes, each hot dog costs £1.80. b) No, the cost per apple is not the same. c) No, the time per km is not the same.

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