Question

Challenge
The ratio of two numbers is 5 : 4 . If 40 % of the first number is 12 , then what would be 50 % of the second number ? ​

Answer 1

Answer:

There is a ratio of 5 :4 between two numbers. If 40 percent of the first number is 12 then what would be the 50 percent of the second number?

There is a ratio of 5 :4 between two numbers.

Let the rationale between two numbers be x. Thus two numbers are 5x and 4x.

If 40 percent of the first number is 12

5x × 40/100 = 12

200x/100 =12

2x = 12

x = 6

Thus first number 5x = 5 × 6 = 30

Second number 4x = 4 × 6 = 24

what would be the 50 percent of the second number

Now 50% of 24

= 24 × 50 /100

= 24 × 1/2

=24/2

= 12

Answer 50% of second number is 12

Explanation:

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Answer 2

Answer:

Let the common multiple be x.

Two numbers will be 5x, 4x.

According to the question,

40/100*5x=12

2/5*5x=12

2x=12

x=12/6=2

First number=5x=5*6=30

second number=4x=4*6=24

50/100*24=12

Therefore 50%of second number is 12.