Question about Parts of Algebraic Expressions


Originais Teachy

Parts of Algebraic Expressions


(Originais Teachy 2023) - Question Medium of Math

João is organizing his birthday party and decided to fill balloons to decorate the environment. He realized that for every 3 filled balloons, he needed 1 cylinder of helium gas. João wants to fill a total of 60 balloons. (a) How many cylinders of helium gas will he need to fill all 60 balloons? (b) If each cylinder of helium gas costs R$ 15, how much will João spend on helium gas cylinders to fill all the balloons? (c) If he wants to fill 90 balloons, how many additional cylinders of helium gas will he need?


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