Answer:
Step-by-step explanation:
Yes these rates to form a proportion. This is because if I am able to do 90 sit-ups in 2 minutes then the unit rate (amount of sit ups per minute) is 45. Since my friend does 135 sit-ups in 3 minutes then the unit rate is also 45. Both me and my friend do 45 sit-ups per minute.
Answer:
15%
Step-by-step explanation:
24/160 = 0.15
0.15*100 = 15
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