Question

the cost of Type 1 oil is 40 rupees per litre and type 2 oily 45 per litre if both Type 1 and are mixed in the ratio 3 is to 1 then the price per litre of mixture is​

Answer 1

Answer:41.25 per litre of mixture

Step-by-step explanation:

let 3 litre type 1 and 1 litre type 2

then total cost of 4 litre oil = 3*40 + 1*45 = 165.

then cost per litre of mixture = total cost / no. of litres of mixture

so, cost per litre of mixture = 165/4 = 41.25 rupees.  

Answer 2

Answer:

Rs. 42

Step-by-step explanation:

Type 1 Oil = Rs 40

Type 2 Oil = Rs 45.

Ratio Provided:- 3:2

Therefore:- 40 × 3 = 120

45 × 2 = 90

120 + 90 = 210

Therefore 210/5 [ 3+ 2]

210/5 = Rs 42.