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Help me plz I did the first problem

Help me plz I did the first problem-example-1

1 Answer

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Answer:

b. 30 > 2d

15 > d

c. 15/f < 5

15 < 5f

5 < f

d. 42
\leq 50 - m

42 + m
\leq 50

m
\leq 8

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