The sum of 2 nos is 4000 . If 15 % of one is equal to 25% of the other no. Find the nos ?
2 Answers
The numbers are
Explanation:
Let x and y be the two numbers.
First equation:
Second equation (remember
Isolate y in the first equation:
Substitute this into the second equation:
Distribute and solve for x:
Substitute this into first equation written in terms of y:
Explanation:
Let one value be represented as
Let the other letter be represented as
Then we have
Also we have:
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substitute for
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Consider the LHS
Consider the RHS