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?

Factorize: x + y - ax = ay

Given that P = {x : 1 \(\leq x \leq 6\)}, and Q = {x : 2 \(\leq x \leq 10\)} where x is an integer. Find n(P \(\cap\) Q)

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

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

Simplify 0.000215 x 0.000028 and express your answer in standard form

Simplify 1\(\frac{1}{2} + 2\frac{1}{3} \times \frac{3}{4} - \frac{1}{2}\)

Correct 0.002473 to 3 significant figure

A car uses one litre of petrol for every 14km. If one of petrol cost N63.00, how far can the car go with N900.00 worth of petrol?