Question
Adam has 42 red marbles.
He has 3 times as many red marbles as blue marbles.
After he buys an equal number of red and blue marbles,
the number of red marbles is 2 times that of the blue marbles.
  1. How many red marbles are there in the end?
  2. How many blue marbles are there in the end?
  3. How many marbles are there in the end?
  4. How many marbles does Adam buy?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

(d)

Click button first when a symbol is required. X

Adam has 42 red marbles.
He has 3 times as many red marbles as blue marbles.
After he buys an equal number of red and blue marbles,
the number of red marbles is 2 times that of the blue marbles.
  1. How many red marbles are there in the end?
  2. How many blue marbles are there in the end?
  3. How many marbles are there in the end?
  4. How many marbles does Adam buy?