Ratio and Proportion Practice Test 4

Question : 11 of 40

Marks: +1, -0

If a : b = 6 : 7, find (5a + 6b) : (6a - 2b).

Solution:

a/b=6/7

{5a+6b}/{6a-2b}={5(a/b)+6}/{6(a/b)-2}

={5(6/7)+6}/{6(6/7)-2}={72/7}/{22/7}=36/11

Go to Question:

Prev Question

Next Question