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Olivia and Isabel each earn D dollars for each dog she walks. One day, Olivia walks six dogs and gets eight dollars in tips. The same day, Isabell walks nine dogs and gets $12 in tips. Olivia Wright, 6d+8+9d+12 to represent the amount they earn together. Isabell right 5(d+4) are there expressions equivalent? Show your work.

Sagot :