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31 January, 14:55

Mac and his brother Ted collect coins. Mac's collection contains 8 more than twice as many as Ted's. If the total number of coins in the two collections is 74, how many coins are in each collection?

If x represents the number of coins in Ted's collection, then which expression represents the number of coins in Mac's collection?

x + 2 (8)

2 (x + 8)

2x + 8

+1
Answers (1)
  1. 31 January, 18:37
    0
    If Ted's collection is x, then Mac's collection is twice as much, or 2x; 8 more than that is 2x+8. The combination of their coins would be (2x+8) + (x) and it equals 74; so the equation is 2x+8+x=74.

    2x+8+x=74

    3x=66

    x=22

    Since x represents Ted's collection, Ted has 22 coins and Mac has 52.
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