Joe has some pocket money. he spends 50% of it. he then spends another £ 1.50.he has 75p left. how much pocket money did he have?

In the given question, there are several important information's provided. using these information's the required answer can be easily deduced. It is given that Joe spends 50% of his pocket money first and then another 1.50 pound. After that hoe has 75p left.
Let us assume that the amount of pocket money Joe has = x
Then
(x/2) + 1.50 +0.75 = x
x + 3.0 + 1.5 = 2x
2x - x = 4.5
x = 4.5
So the amount of money Joe has as his pocket money is 4.5 pounds