exam Maths Puzzle Numerical Ability

How many kilograms of nicker silver containing 18% zinc and how many kilograms of nickel silver containing 31% zinc must be melted together to produce 700kg of a new nickle silver containing 22% zinc???

Read Solution (Total 0)

exam Other Question
Please help w/ the following:

Find x if e^59x =8, and you are given ln 8=2.0794

Thank You. tan^2x-sin^2x= tan^2x sin^2x