If N varies directly as M and N = 8 when M = 20 find M when N = 7
Express 0.0462 in standard form
In a bag of oranges, the ratio of the good ones to the bad ones is 5:4. If the number of bad oranges in the bag is 36, how many oranges are there in the altogether?
A boy estimated his transport fare for a journey as N190 instead of N200. Find the percentage error in his estimate
Evaluate \(5\frac{2}{5}\times \left(\frac{2}{3}\right)^2\div\left(1\frac{1}{2}\right)^{-1}\)
