book Maths Puzzle Numerical Ability

A company produces three different products: basic, mid-range, and superior.
• For each basic item, the company spends, on the average, $50 for the components, $20 for assembly, a

Read Solution (Total 0)

book Other Question

what is the evaluation of y2, when y = 9 solve 7m-n=8 for n
This is what i did...

7m-n=8
m-n=1
-n=1/m
Is this right? Thanks