John bought a laptop, a mobile phone and an ipod at a charity auction.

He later sold all the items for 207.40 making a 22% profit.

I) What was the total ammount John paid for the 3 items?

ii) John sold the laptop, which costs 80, at a profit of 45%.

Find the selling price John sold the laptop.

iii) John sold the mobile phone, which costs 40 for 26.40

Express the profit which John made on the ipod as a percentage of the price he paid for it.

My Answers (really not confident)

i) 161.772

ii)116

iii) 55.6%