Written in slope-intercept form, the equation ax + by = c becomes a) y = a b x - c b b) y = a c x - b c c) y = - a b x + c b d) y = - a c x + b c

Which problem would you use the following proportion to solve for? 24/x = 40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?