Question 283728
3h + 3s = 22.50 ___ multiplying by 2 ___ 6h + 6s = 45.00


2h + 5s = 24.00 ___ multiplying by 3 ___ 6h + 15s = 72.00


subtracting ___ 9s = 27.00 ___ s = 3.00


substituting ___ 2h + 5(3.00) = 24.00 ___ 2h = 9.00 ___ h = 4.50