Question

2.
Which of the following is a better buy?

A dozen eggs for Rs. 21 or 8 eggs for Rs. 12?



5 litres of olive oil for Rs. 912. 50 or 3 litres of olive oil for Rs. 518.20?


pls tell
help me. ​

Answer 1

Dozen eggs for 21

Cost of 12 eggs is 21

Cost of 1 egg is

12/21 = 7/4 =1.75

8 eggs for 12

Cost of 8 eggs is 12

Cost of 1 egg is 12/8=3/2=1.5

In the second case cost per egg is less so the second one is better buy