Question

Three numbers are in the ratio 12:15:20.The difference between the squares of the largest and the smallest number is 4096.What is the sum of the three numbers

Answer 1

Answer:

178

Step-by-step explanation:

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Answer 2

Answer:

188

Step-by-step explanation:

let a = 12x b = 15x c = 20x

difference between largest and smallest number = 4096

400x^2-144x^2 = 4096

256x^2 = 4096

x^2 = 16

x = 4

Sum of three numbers = 47x

= 47 * 4

= 188.