Question

fill in the missing number
1/4 of 40 = 2/5 of ?​

Answer 1

Answer:

Let the number be x

1/4 of 40 = 2/5 of x

1 * 10 = 2x/5

10 = 2x/5

2x = 10 * 5

x = 50/2

x = 25

hence the missing number is 25

Step-by-step explanation:

Here is your answer.......

Answer 2

Answer:20.5

Step-by-step explanation:(TRICK IS JUST DIVIDE THE DENOMINATOR FROM THE GIVEN NUMBER AND MULTIPLY IT BY TIMES OF NUMERATOR ) 1/4 of 40 is 10 and 2/5 of 40 is 16 so we cannot take 40 because it is not equal≠ now lets take 50 so 20 is the answer. so we want ten as an answer so lets see by 20 =2/5 of 20 is so answer is 8 .Lets see with 30 =2/5 of 30  answer is 12 now we know answer is between 20 and 30 hence answer is 20.5