denysn9oorestinaBeA denysn9oorestinaBeA

20-03-2017
Mathematics

contestada

Solve the proportion. 10/a =15/30
a. 2
b. 5
c. 20
d. 10

Respuesta :

volpina volpina

20-03-2017

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

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