The sum of 2 consecutive whole numbers is \(\frac{5}{6}\) of their product, find the numbers

A casting is made up of Copper and Zinc. If 65% of the casting is Zinc and there are 147g of Copper. What is the mass of the casting?

The sum of 6 and one-third of x is one more than twice x, find x

Given that = {x: -2 < x \(\leq\) 9}, where x is an integer what is n(T)?