Question
The total number of balls in Box W, Box X and Box Y was 197. 78 of the balls from Box W and 41 balls from Box X were removed. More balls were then added into Box Y until the number of balls in it was quadrupled. The ratio of the number of balls in Box W to Box X to Box Y became 1 : 4 : 4.
  1. How many more balls were there in Box W than Box X at first?
  2. Find the total number of balls in Box W and Box Y in the end.
5 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

The total number of balls in Box W, Box X and Box Y was 197. 78 of the balls from Box W and 41 balls from Box X were removed. More balls were then added into Box Y until the number of balls in it was quadrupled. The ratio of the number of balls in Box W to Box X to Box Y became 1 : 4 : 4.
  1. How many more balls were there in Box W than Box X at first?
  2. Find the total number of balls in Box W and Box Y in the end.