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morpeh [17]
3 years ago
6

Please answer quickly!

Mathematics
2 answers:
dybincka [34]3 years ago
6 0

Answer:

D.

t <= 4.

Step-by-step explanation:

15 + 3/2 t  <= 21

3/2 t <= 6

t <= 6 * 2/3

t <= 4.

Katena32 [7]3 years ago
5 0
The answer is the last one
15 + (3/2)t ≤ 12
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