Question

three positive numbers are in the ratio 1/2:1.3:1/5.Find the number id the square of their sum is 244
@sepeario

Answer 1

If the square of their sum is 244, then what would the sum be?

Answer 2

Are you still there?

Answer 3

do i add em?

Answer 4

if yes then how?

Answer 5

@Sepeario

Answer 6

u der @Sepeario

Answer 7

If the square of the sum is 244, then the sum must be root 244, or 15.6. The numbers are in the ratio 0.5:1.3:0.2, yes?

Answer 8

1/2:1/3:1/4

Answer 9

If the total portion is 2 (0.5+1.3+0.2), then we must divide 15.6 by 2 = 7.8, and to find any of the values, multiply by the selected ratio, e.g for the first number 7.8*0.5 = 3.9

Answer 10

I know you said 1/3, but for the sake of simplicity and rounding, I kept it as 1.3.

Answer 11

Explain in detail

Answer 12

@Sepeario

Answer 13

put it like this. \[0.5x+1.3x+0.2x=\sqrt{244}\]

Answer 14

Solve for x and then you can find the three numbers.

Answer 15

Can you solve from there?

Answer 16

its1/3 not 1.3 my typos X_X

Answer 17

Yeah but when you round it it is 1.3 :)

Answer 18

oh wait no it's 0.3 oops

Answer 19

So yeah can you solve the equation though?

Answer 20

1x = sqrt244???

Answer 21

@Sepeario

Answer 22

good

Answer 23

then x =?

Answer 24

15.62?

Answer 25

cool then to find each value multiply by the coefficient i.e. 0.2, 0.5 etc.

Answer 26

The back of book says its 12,8 and 6?:/

Answer 27

i'm sorry but i honestly think that i don't know then.. :(