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Complete #1a only

Class Activity 9G CCSS CCSS SMP2, SMP4, 6.EE.6,7.EE.4 Expressions for Quantities There are x tons of sand in a pile initially. Then ↓ of the sand in the pile is removed from the pile and, after that, another 3 of a ton of sand is dumped onto the pile. Write I. a. two equivalent expressions in terms of x for the number of tons of sand that are in the pile now. b. There are x tons of sand in a pile initially. Then3 of a ton of sand is dumped onto the pile and, after that, of the sand in the new, larger pile is removed. Write two equivalent expressions in terms of x for the number of tons of sand that are in the pile now c. Are your expressions in parts (a) and (b) equivalent or not? How can you tell?

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