In 4 years, Sam’s age will be the same as Robin’s age now. In 2 years, Sam will be twice as old as R...

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Tanong

In 4 years, Sam’s age will be the same as Robin’s age now. In 2 years, Sam will be twice as old as Robin. Find their age now.

Mga sagot sa #1 sa Tanong: In 4 years, Sam’s age will be the same as Robin’s age now. In 2 years, Sam will be twice as old as Robin. Find their age now.

[tex]mathbb{SOLUTION:}[/tex]

[tex]begin{gathered}sf rm Let : x = Robin’s : age : now : ( and : Sam’s : age : in : 4 : years ) \ rm x – 4 = Sam’s : age : now \ \ Then, \ rm x + 2 = Robin’s : age : in : 2 : years \ rm (x – 4) + 2 = Sam’s : age : in : 2 : years \ bold {Robin’s : will : be : twice : as : old : as : Sam : in : 2 : years} \ \ bold{ Equation : } \ : : x + 2 = 2[(x – 4) + 2] \ : : : : : : : = 2x – 8 + 4 \ = 2x – 4 \ begin{gathered}begin{gathered} \ Answer: {begin{cases}{ bold {x = 6}} \ { bold{ x – 4 = 2}} end{cases}}end{gathered}end{gathered}end{gathered}[/tex]

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