Michael bought a hat and a coat
the hat costs £10
he sold both items for a total of £90
michael made 200% profit on the hat and 80% profit on the total cost.
work out the percentage profit on the cost of the coat

Step-by-step explanation:

Cost of hat = £10

Michael made 200% profit on the hat.

He sold both items for a total of £90.

Selling price of coat = 90 - 30 = £60

He made  80% profit on the total cost. Let C be the cost for coat and hat.

That is

Cost for coat = 50 - 10 = £40  

Percentage profit on the cost of the coat is 50 %

2 2/3 hours duhh silly

step-by-step explanation: