If y varies directly as x , and y is 18 when x is 5 , which expression can be used to find the value of y when x is 11 ?
A
y is equal to 18 fifths times 11B
y is equal to 5 over 18 times 11C
y is equal to the fraction with numerator 18 times 5 and denominator 11D
y is equal to the fraction with numerator 11 and denominator 18 times 5