Asked by victoria
r over 5 equals 9 over 21
a) r=9
b) r=2.14
c) r=11.66
d) r=37.8
a) r=9
b) r=2.14
c) r=11.66
d) r=37.8
Answers
Answered by
Ms. Sue
r/5 = 9/21
Cross multiply and solve for r.
21r = 45
r = 45/21
Cross multiply and solve for r.
21r = 45
r = 45/21
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