2
5
6
10
Correct answer is B
The cost price of the whole mangoes = N5x
The sold amount of the mangoes = 3x * 220 = N6.60x
The gain made on mangoes = N6.60x - N5x = N8.00 => N1.60x = N8 => \(x=\frac{8}{1.60}=\frac{1}{0.2}=\frac{10}{2}=5\)
If x + 0.4y = 3 and y = \(\frac{1}{2}\)x, find the value of (x + y)...
Simplify 27\(^{-\frac{1}{3}}\) \(\times\) 64\(^{-\frac{1}{3}}\) \(\times\) 4\(^{\frac{1}{3}}\)...
A regular polygon has each of its exterior angles as 18o. How many sides has the polygon...
Simplify: \(\log_{10}\) 6 - 3 log\(_{10}\) 3 + \(\frac{2}{3} \log_{10} 27\)...
Factorize 2e\(^2\) - 3e + 1 ...
If (x - a) is a factor pf bx - ax + x2, find the other factor....