WAEC - Mathematics (2008 - No. 1)
If x% of 240 equals 12, find x
x = 1
x = 3
x = 5
x = 7
Giải thích
x% of 240 = 12
\(\frac{x}{100} \times 240 = 12\)
x = \(\frac{12 \times 100}{240}\)
x = 5
\(\frac{x}{100} \times 240 = 12\)
x = \(\frac{12 \times 100}{240}\)
x = 5