Question
Fill in the blanks.
Adam spends 13 of his money on 3 marbles and 4 cards.
Each card costs thrice as much as each marble.

Let the price of 1 marble be 1 u.
  1. Cost of 1 card = _____ u
  2. Amount that Adam has spent = _____ u
  3. Amount that Adam has left = _____ u
  4. Amount that Adam has at first = _____ u
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

Fill in the blanks.
Adam spends 13 of his money on 3 marbles and 4 cards.
Each card costs thrice as much as each marble.

Let the price of 1 marble be 1 u.
  1. Cost of 1 card = _____ u
  2. Amount that Adam has spent = _____ u
  3. Amount that Adam has left = _____ u
  4. Amount that Adam has at first = _____ u