Question

If 10% of a number is 12 and 35%% of the same number is 42, find 25%% of that number.

42 is not the answer

Answer 1

Answer:25% of the number is 30

Explanation:

Let's call the number we're looking for "x". We can use the information given in the problem to set up two equations:

10% of x is 12:

0.1x = 12

35% of x is 42:

0.35x = 42

Now we can solve for x:

0.1x = 12

x = 120

0.35x = 42

x = 120

We get the same value for x from both equations, which confirms that our solution is correct. Now that we know x = 120, we can find 25% of that number:

25% of 120 = 0.25 x 120 = 30

Therefore, 25% of the number is 30.

Answer 2

30. I say this because 10% of 120 is 12. So 25% which in fraction form is 1/4 would be 30. Another way of saying it is 30+30+30+30 = 120. Take 90 away and get 30