Melvin is X years old . Jonathan is 5 years older than Melvin. their total age 10 year later is 85 years .Find the value of X

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CarolineBlueberry CarolineBlueberry

19-07-2020
Mathematics

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Melvin is X years old . Jonathan is 5 years older than Melvin. their total age 10 year later is 85 years .Find the value of X

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sesarnam sesarnam · Answer 1 · 2020-07-19T13:27:31+02:00

sesarnam sesarnam

19-07-2020

Answer:

X= 40

Step-by-step explanation:

X ×2+5= Jonathan age.

So, 85÷2-5 = X

X= 85÷2-5

=40

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TheAnimeGirl TheAnimeGirl · Answer 2 · 2020-07-19T13:33:22+02:00

Answer:

30 years

Step-by-step explanation:

Age of melvin = X

Age of Jonathon = X + 5

After 10 years,

Age of melvin = X + 10

Age of Jonathon = X + 15

Now,

According to the question,

[tex]x +10 + x + 15 = 85[/tex]

Collect like terms

[tex]2x +10 + 15 = 85[/tex]

Calculate the sum

[tex]2x + 25 = 85[/tex]

Subtract 25 on both sides

[tex]2x + 25 - 25 = 85 - 25[/tex]

Calculate

[tex]2x = 60[/tex]

Divide both sides of equation by 2

[tex] \frac{2x}{2} = \frac{60}{2} [/tex]

Calculate

[tex]x = 30[/tex]

Hope this helps...

Good luck on your assignment..

Melvin is X years old . Jonathan is 5 years older than Melvin. their total age 10 year later is 85 years .Find the value of X​

Respuesta :

30 years

Otras preguntas

Melvin is X years old . Jonathan is 5 years older than Melvin. their total age 10 year later is 85 years .Find the value of X