3. write math describe how you
labeled the bar model and
wrote a number sentence to
solve exercise 2.
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Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

What is the gcf of 20c^3-5c^4+30c^6