Solve a practical problem with simultaneous equations

At a market stall, an order of 3 bags of apples and 1 punnet of berries costs $24

A second order of 3 bags of apples and 2 punnets of berries costs $31.50

Let \(x\) be the price of one bag of apples in dollars and \(y\) the price of one punnet of berries in dollars