If a:b=3:7, find the value of (5a+b):(4a+5b)
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Answered by
10
Answer:
let a= 3x and b= 7x
( 5a + b) : (4a +5b )
= [ 5(3x) + 7x ] : [ 4(3x) + 5(7x) ]
= ( 15x +7x) : ( 12x + 35x )
= 22x : 47x
= 22:47
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Answered by
2
Answer:
22/47
Step-by-step explanation:
a:b=3:7
=> a = 3x , b= 7x
(5a+b):(4a+5b)
(5× 3x + 7x) : (4×3x + 5×7x)
( 15x +7x ) : ( 12x + 35x )
22x : 47x
= 22 : 47
= 22/47
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