SOLUTION: If the ratio of a to b is 4 to 5, find the value of the expression 2a+3b/4b-3a. Express your answer as a common or improper fraction reduced to lowest terms. Thanks for your help.

Question 945636: If the ratio of a to b is 4 to 5, find the value of the expression 2a+3b/4b-3a. Express your answer as a common or improper fraction reduced to lowest terms. Thanks for your help.
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

If the ratio of to is to , then we have
=>solve for

to find the value of the expression
substitute for

=

=

=

=

=

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