Question

If a and b vary directly find the value of k l and m from the table if a by b = 78 by k = l by 55 = 42 by m

Answer 1

Answer:

k is a positive number, if x and y are in direct proportion or vary .... Hence, 300 × 42 = (300 + 50) × x .... m. (b). 500. 9 m. (c) 1000 m. (d). 500. 3 m. Inverse ...................