Question
The total mass of Elyse, Yen and Mary is 38k kg. Elyse has a mass of 7k kg. Yen is 4 kg heavier than Elyse.
  1. What is Mary's mass in terms of k?
  2. If k = 10, what is Mary's mass? 
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

The total mass of Elyse, Yen and Mary is 38k kg. Elyse has a mass of 7k kg. Yen is 4 kg heavier than Elyse.
  1. What is Mary's mass in terms of k?
  2. If k = 10, what is Mary's mass?