Question

If a : b = 4:5, find the value of (5a - 3b): (6a + 15)

(a) 7:39
(b) 5:39
(c) 1:3
(d) None of these
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Answer 1

Answer:

b option is correct

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Answer 2

Step-by-step explanation:

here a:b=4:5

let a be 4x and b be 5x

so,

5a-3b:6a+15

5(4)-3(5):6(4)+15

20-15:24+15

5:39

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