WAEC - Mathematics (1998 - No. 55)
P varies inversely as Q. The table above shows the value of Q for some selected values of P
What is the missing value of Q in the table?
4
9
15
16
144
解释
K = 6 x 24 = 144 from the first column
P = \(\frac{\text{K}}{\text{Q}}\)
when P = 9, Q = ?
Q = \(\frac{144}{9}\) = 16