An article bought for rs. 800 is sold for 5/4 of the cost price.Find the profit percentage.
1 answer:
Answer:
25%
Step-by-step explanation:
Step 1: Find the sale price
First, we have to find the price it was sold for.
5/4 of 800 = 5/4 * 800
The article was sold for rs. 1000
Step 2: Finding the percentage
To find the percentage, we have to divide the sale price over the cost of the article
The cost of the article is 100% or 1
25%
-Chetan K
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Step-by-step explanation:
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-Chetan K
Composing functions means that the input of the outer functions is the output of the inner function.
In fact, you can rewrite the circle notation as
So, we can substitute g(x) with its expression:
And since f(x)=x+5, we simply have to add 5 to its input:
Similarly, we have, substituting f with its expression,
And since g(x)=4x+2, we have to multiply the input by 4 and add 2: