Question

Haala buys 13 identical shirts and 22 identical ties for £363.01

The cost of a shirt is £15.35
Find the cost of a tie.

Answer 1

£7.43

Explanation:

The total cost is ...

13s +22t = 363.01

13(15.35) +22t = 363.01 . . . . fill in the cost of a shirt

22t = 163.46 . . . . . . . . . . . . . subtract 199.55

t = 7.43 . . . . . . . . . . . divide by 22

The cost of a tie is £7.43.