The price of 1L of milk is Rs.48. The price of milk decreases. The ratio of the original price to the decreased price is 8:5. What is the cost of 11 milk after decrease in price?
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Step-by-step explanation:
Given :-
The price of 1L of milk is Rs.48. The price of milk decreases. The ratio of the original price to the decreased price is 8:5.
To find :-
What is the cost of 11 milk after decrease in price?
Solution:-
Given that :
The price of 1 litre of milk = Rs. 48
Let The price of the milk after decreasin be Rs. X
The ratio of the prices = 48 : X
Given that
The ratio of the original price to the decreased price = 8:5.
=> 48:X = 8:5
=> 48/X = 8/5
On applying cross multiplication then
=> 8X = 48×5
=> X = (48×5)/8
=> X = 6×5
=> X = 30
The price of the milk after decreasing = Rs. 30
Now,
The cost of 11 litres of milk
= 11×Rs. 30
= Rs. 330
Answer:-.
The total cost of 11 litres of milk after decreasing the price is Rs. 330
Used formulae:-
- The ratio a:b can be written as a/b
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