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algebra

posted by on .

solve the porportion 2/7 = x/42
the answer is below, but which one
A.) 1/2
B.) 12
C.) 2/7
D.) 6

Can you help me pleeezz

  • algebra - ,

    Cross multiply.

    2 * 42 = 7x
    84 = 7x
    ? = x

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