Answer:
lucy buy 7kg nuts for 10rs
and she is selling them for 75p each bag which contains 350grams of nuts
now we have to find number of bags=7000grams (7kg converted into grams)÷350grams=20bags
now we have to find the profit= 20×75p=15rs
profit=10-15=5
profit percentage=profit/cp×100
= 5/10×100=50%of profit
Explanation: