What is the greatest value 20g of flour 3 for 3.50 or 40g of flour for 2 for 9£ which is better for money

It is better to buy 20 g of flour 3 for 3.50

Step-by-step explanation:

It is given that 20g of 3 for 3.50

It means 3 packets of 20 g is 3*20 =60

So, 60g  is for 3.50

So, 1 g ==0.05833 per gram.

Now, let's find unit rate for 40 g of 2 for 9.

2 packets of 40 gram = 2* 40 =80 grams

So, 80 grams costs 9

So, 1 gram = =0.1125

So, it is better to buy 20 g of flour 3 for 3.50

can you rephrase the question ? it is unclear : -)

step-by-step explanation:

28

step-by-step explanation:

because that's the answer