RE: Test Your Math Skills and Win SBD # 1

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kona (66)in #contest • 7 years ago (edited)

let the students of econ. be 4 y,
for the ratio 4:3, 4y+3y=875, y=125,
so the ans. is 4x125=500

upvoted and resteemed

7 years ago in #contest by kona (66)

$0.00

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