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den301095 [7]
3 years ago
15

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​

Mathematics
2 answers:
kumpel [21]3 years ago
8 0

Answer:

X= 40

Step-by-step explanation:

X ×2+5= Jonathan age.

So, 85÷2-5 = <u>X</u>

X= 85÷2-5

=<u>4</u><u>0</u>

emmainna [20.7K]3 years ago
7 0

Answer:

<h2>30 years</h2>

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,

x +10 + x + 15 = 85

Collect like terms

2x +10 + 15 = 85

Calculate the sum

2x + 25 = 85

Subtract 25 on both sides

2x + 25 - 25 = 85 - 25

Calculate

2x = 60

Divide both sides of equation by 2

\frac{2x}{2}  =  \frac{60}{2}

Calculate

x = 30

Hope this helps...

Good luck on your assignment..

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