Question
Hazel has some marbles. She has 4 less marbles in Box J than in Box K. After 7 marbles were transferred from Box K to Box J, there were 57 marbles in Box K.
  1. How many marbles were there in Box K at first?
  2. How many marbles were there in Box J in the end?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Hazel has some marbles. She has 4 less marbles in Box J than in Box K. After 7 marbles were transferred from Box K to Box J, there were 57 marbles in Box K.
  1. How many marbles were there in Box K at first?
  2. How many marbles were there in Box J in the end?