Question

In Rama's candy shop, chocolate sells for Rs. 4 per kilogram and nuts for Rs. 2.5 per kilogram. Chocolate and nuts are combined to form a chocolate-nut candy, which sells for Rs. 3.5 per kilogram. Find the total cost of nuts which are used to make 30 kilograms of chocolate-nut candy?​

Answer 1

Answer:

180 Rs.

Step-by-step explanation:

Answer 2

Answer:

If we use c pounds of chocolate and n pounds of nuts we have:

4c + 2.5n = 3.5(c+n)

If we know the final weight we can do this.

Example. We wish to make 5 pounds of chocolate/nut mix at a cost of $3.50 per pound

4c + 2.5(5-c) = 3.5(5) solving this for c would give us the amount of chocolate.

Then we use 5-c to find amount of nuts to add