Question

5. 36 is what per cent of 144?
(b) 28%
(c) 30%
(a) 25%
(d) 20%​

Answer 1

Answer:

36:144*100 =

(36*100):144 =

3600:144 = 25

Step-by-step explanation:

Percentage solution with steps:

Step 1: We make the assumption that 144 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$.

Step 3: From step 1, it follows that $100\%=144$.

Step 4: In the same vein, $x\%=36$.

Step 5: This gives us a pair of simple equations:

$100\%=144(1)$.

$x\%=36(2)$.

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{144}{36}$

Step 7: Taking the inverse (or reciprocal) of both sides yields

$\frac{x\%}{100\%}=\frac{36}{144}$

$\Rightarrow x=25\%$

Therefore, $36$ is $25\%$ of $144$.

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Answer 2

Answer:

(A)25%

Step-by-step explanation:

36/144*100=1/4*100%

                 =25%