the sum of the ages of mike and dan is 2

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pelliott
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$1.00 the sum of the ages of mike and dan is 2

From Mathematics: Differential-Equations
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Due on Mar. 02, 2009
Asked on Mar 02, 2009 at 3:29:45PM

Q:
the sum of the ages of mike and dan is 20 years. in 4 years, dan's age will be three fourths of mike's age.how old is mike now?

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geniusy_2006

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$0.75 Here is the answer with steps

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Posted on Mar 02, 2009 at 3:34:59PM

A:
Preview: ... mike becomes x + 4 and dan become y + 4 y + 4 = 3/4 ...

The full tutorial is about 74 words long .

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MathOnline

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$1.00 A+ detailed and step by step solution

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Posted on Mar 02, 2009 at 3:36:22PM

A:
Preview: ... s, dan's age will be three fourths of mike's age.how ol ...

The full tutorial is about 53 words long .

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alephzero314
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$1.00 Full solution

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Posted on Mar 02, 2009 at 3:39:16PM

A:
Preview: ... es to: x + y = 20 Now, let's translate "in 4 years, dan's age will be three fourths of mike's age." Dan's age in four years is y + 4. Mike's age in four year ...

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serenadexx
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$1.00 Answer

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Posted on Mar 02, 2009 at 3:39:27PM

A:
Preview: ... current age] and [y = Dan's current age], you can see that: x + y = 20 y + 4 = 3/4(x + 4) So, when s ...

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blktiger527
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$1.00 Easy to follow explanation with the right answer.

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Posted on Mar 02, 2009 at 3:44:33PM

A:
Preview: ... tion (2) M + D = 28 Also we know that after four years Dan's age will be three fourths of mike's. D = 3/4 M Substitute in equation (2) to get. M + 3/4 M ...

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raju_sinha
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$1.00 perfect ans with explanation step by step, plz see it

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Posted on Mar 02, 2009 at 3:47:57PM

A:
Preview: ... two variables at first for the twoo man's ages now u chose age of mike and dan b m and d years step 2. : now u will have to form two equations . here the sum of the ages of mi ...

The full tutorial is about 231 words long .

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Y_Swann
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$0.50 All work shown. Found Mike's age now.

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Posted on Mar 02, 2009 at 6:27:59PM

A:
Preview: ... uation: x + 4/3x + 4/3 = 20 ; combine the x terms: 7/3x + 4/3 = 20 ; subtract 4/3 from each side: 7/3x = 18 2/3 ; change fraction on the ...

The full tutorial is about 187 words long .