Question

how many liters of milk worth ₹17 per litre should be mixed with 25 litres of milk worth ₹21per litre to produce a mixture worth ₹19.50per litre ?​
(* Answer is "15" , just need the correct solution/"STEP BY STEP EXPLANATION*).​

Answer 1

Answer:

15 litres

Step-by-step explanation:

x litres 25litres

17 21

. .

. .

19.5

. .

. .

21-19.5 19.5-17

=1.5 =2.5

1.5:2.5=x:25

15:25=x:25

x=15litres

hope this helps