denysn9oorestinaBeA denysn9oorestinaBeA

20-03-2017
Mathematics

Answered

Solve the proportion. 10/a =15/30

A2
B5
C20
D10

Verified Answer :

volpina volpina

20-03-2017

multiply the denominators by 30a.
300=15a
a=20
so the correct answer is C

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