Question
Fill in the blanks.
Alan spends 17 of his money on 3 cards and 4 erasers.
Each eraser costs thrice as much as each card.

Let the price of 1 card be 1 u.
  1. Cost of 1 eraser = _____ u
  2. Amount that Alan has spent = _____ u
  3. Amount that Alan has left = _____ u
  4. Amount that Alan 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.
Alan spends 17 of his money on 3 cards and 4 erasers.
Each eraser costs thrice as much as each card.

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