Mathematics, 18.11.2020 02:40, tinasidell1972

Find the heart rates of you and your friend. do these rates form a proportion? explain. your heartbeats: 22
seconds: 20
you can do 90 sit-ups in 2 minutes.

your friends heartbeats: 18
seconds: 15
your friend can do 135 sit-ups in 3 minutes.

Answers: 1

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Find the heart rates of you and your friend. do these rates form a proportion? explain. your heartb...