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פּוֹפּוּלָרִי Word Problems >

Joy is 2/3 as old as Lyd. Six years ago, Joy is 20 less than Lyd's age.:How old are they 6 years ago?

פתרון

J oy i s \frac{2}{3} a s o l d a s L y d . S i x ye a rs a g o, J oy i s 20 l ess t han L y d^{'} s a g e . : Ho w o l d a re t h ey 6 ye a rs a g o ?

פתרון

Lyd age 6 years ago : 54

Joy age 6 years ago : 34

צעדי פתרון

Translate the problem into an equation:

\frac{2}{3} x - 6 = x - 6 - 20

\frac{2}{3} x - 6 = x - 6 - 20, x

פתור בשביל:

x = 60

age מצא את

Lyd age 6 years ago : 54

Joy age 6 years ago : 34

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