Three numbers are in the ratio 3 : 4 : 5 and their average is 36.
Three numbers are in the ratio 3 : 4 : 5 and their average is 36. The largest number is :
Answer/Solution
45
Steps/Work
Explanation:
Let the numbers be 3x, 4x and 5x, Then, (3x + 4x + 5x ) / 3 = 36
=> 12x = 36*3
=> x = 9
Largest number 5x = 5*9 = 45
Answer:E
Let the numbers be 3x, 4x and 5x, Then, (3x + 4x + 5x ) / 3 = 36
=> 12x = 36*3
=> x = 9
Largest number 5x = 5*9 = 45
Answer:E