Question

Tohid bought 4 packets of chip s from a shopand gave a note of 100tk.to the shopkeeper.Shopkeeper returned 60tk.Tohid bought 4 chocolates each costing y tk.from the another shop.
Then,
a)Form an equation by supposing each packet of chips costing x tk.
b)Find the cost of each packet of chips.
c)If the cost for 8 chocolates be equal to the cost for 4 packets of chips what does each chocolates costs?​

Answer 1

Had he bought 4 more packets for the same amount, each packet would ... How many packets did he buy? 2 ... each packet would have cost rupees 1 less (x+ 4)(y-1)=80