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4A = 5B.
For finding the ratio A to B take B to the left side of the equation and 4 to the right side.
4 X A = 5 X B ( 4 multiplied by A = 5 multiplied by B)
When any number goes to the other side you need to change the sign from + to - or / to X and vice versa. So when we take B to the left side it carries the / sign. Similarly with 4 )
A/B = 5/4 ( The ratio of A to B )
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Earn +20 ptsQ: What is the ratio of A to B if 4A equals 5B?
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Solve this equation using addition method 4a subtract 5b equals 7 and 4a plus 5b equals 17?
Add the equations: 4a + 4a - 5b + 5b = 7 + 17 ie 8a = 24 a = 3, so b = 1
What does ab over b divided by 4a over 5b equal?
(ab/b) / (4a/5b) =(ab / b) * (5b / 4a) = (5ab2 / 4ab)= 5 / (4b)
What is 5ab plus 4a-b-2ab plus 5b?
5ab-2ab+4a-b+5b = 3ab+4a+4b
What is the rational expression of the quotient 4a plus b and 2a - 5b?
The expression is: (4a+b)/(2a-5b)
What is b when 5b equals 30?
If: 5b = 30 Then: b = 6
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