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Popolare Word Problems >

Question 4: Lauren is 3 years older than Megan and Alyssa is 6 years younger than Megan. The:sum of their ages is 42 . How old is each girl?

Soluzione

Q u es t i o n 4 : L a u re n i s 3 ye a rs o l d er t han M e g an an d A l yss a i s 6 ye a rs yo u n g er t han M e g an . T h e : s u m o f t h e i r a g es i s 42 . Ho w o l d i s e a c h g i r l ?

Soluzione

Megan^{'} s age is : 21

Alyssa^{'} s age is : 15

Lauren^{'} s age is : 6

Fasi della soluzione

Translate the problem into an equation:

\frac{x + 3}{4} + x + x - 6 = 42

Risolvi per

x, \frac{x + 3}{4} + x + x - 6 = 42 : x = 21

Trova age

Megan^{'} s age is : 21

Alyssa^{'} s age is : 15

Lauren^{'} s age is : 6

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