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Staphany
Staphany asked in Education & ReferenceHomework Help · 8 years ago

there were 85 erasers in box A and 15 erasers in box B. when an equal number of eraser was added to each box?

Update:

i typed it wrong so i will type it here

there were 85 erasers in box A and 15 erasers in box B. when an equal number of eraser was added to each box, the number of erasers in box A was 3 times as many as that in box B. how many erasers were added to each box?

2 Answers

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  • ?
    Lv 7
    8 years ago
    Favorite Answer

    85 + x = 3(15 + x)

    Distribute

    85 + x = 45 + 3x

    Subtract x from both sides

    85 = 45 + 2x

    Subtract 45 from both sides

    40 = 2x

    Divide both sides by 2

    x = 20

    20 erasers were added to each box

    m05242013

  • hayharbr
    Lv 7
    8 years ago

    Your question got cut off.

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