Question 7? I'm confused (。-_-。)
500 20 × 30 = 60030 ÷ 2 = 1515 × 5 = 75600 + 75 = 675675 - 500 = 175Davie made 175 in profit.
2030=600155=75600+75=675675-500=175 eurosHope this helps.