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20-10-2022
Mathematics

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If x= 3y and y is 4% of a, then x is what percent of a?
(A) 12%
(B) 20%
(C) 25%
(D) 75%
(E) 80%

Respuesta :

201105095 201105095

20-10-2022

Answer:

(A) 12%

Step-by-step explanation:

x = 3y and y = 0.04a

if y = 0.04a then by multiplying both sides by 3 you can find that 3y = 0.12a

Since x = 3y and 3y = 0.12a, by the transitive property of equality x = 0.12a, which is 12% of a.

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