Mathematics, 30.01.2020 05:59, fantasticratz2

Which number sentences show how to solve the problem?

luis bought 5 bags of red balloons for the party. ruby bought 8 bags of mixed-color balloons. each bag contains 35 balloons. how many balloons did luis and ruby buy altogether?

choose all answers that are correct.

a.
5 + 8 = 13 and 13 × 35 = 455

b.
5 × 8 = 40 and 40 + 35 = 75

c.
5 × 35 = 175, 8 × 35 = 280, and 175 + 280 = 455

d.
45 × 15 = 675 and 675 ÷ 9 = 75

im so confused

Answers: 3

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Which number sentences show how to solve the problem?

luis bought 5 bags of red balloon...