Yullianaurbina03 Yullianaurbina03

10-05-2022
Mathematics

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3) Find the change from $100 when buying:
a) 3 boxes of chocolates at $11 each
b) x boxes of chocolates at $11 each
c) x boxes of chocolates at $ y each

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10-05-2022

Answer:

Correct option is E)

Step-by-step explanation:

Let y be the total number of boxes needed Given that, Each box carries c candy bars ∴ total number of candy bars needed = cy .... Cond(1) Now, No. of members = 3c each member sells x bars per day ∴ ∴ In 5 days no. of bars sold = 3cx×5=15cx ..Cond(2) Since Condition 1 and 2 are same,

cy=15cx ∴y=15x No. of boxes = 15x

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