2. Solve the following proportion.

r over five equals nine over twenty-one (1 point)
r = 2.14
r = 9
r = 11.66
r = 37.8

3 answers

r/5 = 9/21
multiply both sides by 5
so
r = 45/21
r = 2.14

thanks damon

Thanks Damon as always.

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