book Maths Puzzle Numerical Ability

Thank you in advance for helping find the solution to this problem.

How much of an alloy which contains 6 grams of gold in 10 grams must be melted with another alloy which conta

Read Solution (Total 0)

book Other Question

Property valued at $18,000 for 1/3 of its value. If the property tav levy is $3 per $100 of assessed valueper year, what is the yearly property tax bill? Find the value of a if the points whose coordinates are given are the indicated distance apart.
(-2,-5)(a,7);d=13

I'm not quite sure what this is asking, or how to solve it.