Three numbers are in the ratio 2:4:5. if the sum of the three numbers is 209. what are the numbers?

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

☐²

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√☐

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log_□

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ddx

≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

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Three numbers are in the ratio 2:4:5. if the sum of the three numbers is 209. what are the numbers?

Solution

The numbers: 38, 76, 95

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Solution steps

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Represent the numbers in ratio 2:4:5 with x

2x

4x

5x

Write an equation for the sum:

2x+4x+5x=209

Solve for x, 2x+4x+5x=209: x=19

2x=2· 19=38

4x=4· 19=76

5x=5· 19=95

The numbers: 38, 76, 95

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Three numbers are in the ratio 2:4:5. if the sum of the three numbers is 209. what are the numbers?

Solution

Solution steps

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