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math 4th grade question

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Rodney is 3 times as old as his sister.A year ago, he was 4 times as old. How oldare Rodney and his sister now?

How do you fiqure this out?

Rodney = 3*sister
Rodney-1 = 4*(sister -1)

solve that out.

Have you figured out the answer to this yet because we have the same question.

  • math 4th grade question - ,

    Rodney is 9. His sister is 3.

  • math 4th grade question - ,

    rodney is 9 and his sister is 4 I came up with the answer because 3X3 is 9 and a year ago he would have been 8 which 2X4 is 8 but when trying to explain this so my 4th grade neice will understand is a little hard i came up with the answer but don't just want to give it to her i want her to be able to solve it on her own any suggestions how i can explain it to her so she can understand

  • math 4th grade question - ,

    sorry now rodney is 9 and his sister is 3 because 3x3 is 9 and 2x4 is 8

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