sadcase85
06.05.2021 •
Mathematics
Need help trying to figure out the equation for this!
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Ответ:
Let's say we start from 30 degrees and lose d degrees per day. To be closed after 3 days we need
30 - 3d ≤ 20
30 - 3d ≤ 20
Solving,
30 - 20 ≤ 3d
10 ≤ 3d
10/3 ≤ d
d ≥ 10/3
d ≥ 10/3