exam
Maths Puzzle
Numerical Ability
Coffee powder costing $12.75 per kg is mixed with coffee powder costing $8.95 per kg in the ratio 5:7 by weight. The mixture sold at $12 per kg. Find the gain percent.
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exam Other Question
your weekly pay check is 25 % less than your co workers paycheck, the two pay checks put together is $875 what are the totals of the two paychecks
I recently sent you a substitution problem , but it actually a addition method problem.Sorry. The problem was:
x-4y=5
x-2y=1
My answer was -3, -2. Is that correct?
Thankyou