Answer:
5 times
Step-by-step explanation:
Assume the height of the streetlamp to be x
If you make a diagram from the details given by the question you should find two pairs of similar sides, from which you can form the equation
Solving this gives the height of the streetlamp as 30 feet. Divide this length by the height of the man to get the number of times the streetlamp is taller.
Answer:
$10
Step-by-step explanation:
20+12
32
72-32
40
40÷4
10
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Santosh must sell the remaining dotpens with a surplus of 40 % to gain 10 % on the whole.
<h3>How to calculate the gain of selling dotpens</h3>
We know that Santosh sold 200 dotpens with a loss of 5 % and he must sell the remaining dotpens with an unknown surplus in order to obtain 10 % of the whole. The situation can be represented by the following expression:
(1)
Santosh must sell the remaining dotpens with a surplus of 40 % to gain 10 % on the whole.
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Answer:
25%
Step-by-step explanation:
Given data
original quantity =12
new quantity =15
% increase= new-original/original *100
% increase= 15-12/12 *100
% increase= 3/12 *100
% increase=0.25 *100
% increase=25%
hence the increase is 25%.