Question

WHICH IS A BETTER BUY??????
4 KG. POTATOES FOR RS. 46 OR 7 KG. POTATOES FOR RS. 78???????
please dont make a guess cuz this is a real maths sum!!!!!!!

Answer 1

it is better to by 7kg of potatoes for Rs 78 because
78/7=11.1 that means 11.1Rs per kg
46/4=11.5 that means 11.5Rs per kg

Answer 2

cost of 4 kg potatoes = rs. 46
cost of 1 kg potatoes = rs. 11.5

cost of 7 kg potatoes = rs. 78
cost of 1 kg potatoes = rs. 11.14

so ,7kg potatoes for rs. 78 is a better deal.