cmucutie1
07.04.2021 •
Mathematics
The sample shows the number of practice problems ompleted in 30 minutes in 3 samples of 10 randomly selected math students selected
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Ответ:
417,808
Step-by-step explanation:
original weight = x
A 27% decrease is the same as multiplying by 0.73
27% = 0.27
1 - 0.27 = 0.73
x × 0.73 = 305,000kg
To find x, divide 305,000kg by 0.73
305,000 ÷ 0.73 = 417,808.2192 ≈ 417,808