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Mariulka [41]
3 years ago
14

Ben gets 5 more presents than his naughty little sister Gwen this holiday season. If together they receive 21 presents, how many

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
3 0

9514 1404 393

Answer:

  • Ben: 13
  • Gwen: 8

Step-by-step explanation:

The given relations give rise to two equations:

  b = g + 5

  b + g = 21

Using the first to substitute for b in the second, we have ...

  (g +5) +g = 21

  2g = 16 . . . . . . . subtract 5

  g = 8 . . . . . . . . . divide by 2

  b = 8 +5 = 13

Ben got 13 presents; Gwen got 8.

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