Dishita adds 2 oz of milk to an 18 oz cup of coffee that is 10% milk. What is the percentage of milk in the resulting mixture
Answers
Answer:
The percentage of milk in the resulting mixture is 19.44% and this can be determined by using the unitary method.
Given :
Dishita adds 2 oz of milk to an 18 oz cup of coffee that is 10% milk.
The following steps can be used to determine the percentage of milk in the resulting mixture:
Step 1 - The unitary method can be used to determine the percentage of milk in the resulting mixture.
Step 2 - Given that 18 oz cup of coffee has 10% of the milk that is:
=\dfrac{18}{100}\times 10=
100
18
×10
= 1.8 oz of milk
So, the 18 oz cup of coffee contains 1.8 oz of milk.
Step 3 - It is given that 2 oz of milk is added in 18 oz cup of coffee. So, the total mixture becomes 20 oz.
Step 4 - So, an 20 oz cup of coffee there 3.5 oz of milk.
Step 5 - If 1.8 oz is 10% then 3.5 oz is:
=\dfrac{3.5}{1.8}\times 10=
1.8
3.5
×10
= 19.44 %
The percentage of milk in the resulting mixture is 19.44%.
Answer:
Required percentage of milk in the resulting mixture is 19%.
Step-by-step explanation:
Given, 18 oz cup of coffee has 10% milk.
We know,
So, quantity of milk = 10% of 18 oz
Again,it is also given that Dishita adds 2 oz of milk
So, quantity of total coffee
and quantity of milk in 20 oz coffee
Here 20 oz means 100%
So, 1 oz means
3.8 oz means
Therefore, required percentage of milk in the resulting mixture is 19%.
This is a problem of percentage.
Extra information about percentage:
In mathematics, a percentage is a number or ratio expressed as a fraction of 100. It is often denoted by the percentage sign "%", although the abbreviations "pct.", "pct" and sometimes "pc" are also used. A percentage is a dimensionless number; it has no unit of measurement.
Know more about percentage.
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