Question
PSLE
A shop had a number of stereo systems for sale. After selling 20 of them in the morning and 29 of the remainder in the afternoon, it was left with 12 of the stereo systems. How many stereo systems were sold altogether?
2 m

Click button first when a symbol is required. X

PSLE
A shop had a number of stereo systems for sale. After selling 20 of them in the morning and 29 of the remainder in the afternoon, it was left with 12 of the stereo systems. How many stereo systems were sold altogether?