Michigan snowfall

The state of Michigan recorded an all-time high snowfall of 355.9 inches during the winter of 1978-79. Its lowest snowfall of 81.3 inches was recorded during the winter of 1930-31. How much more snowfall did Michigan receive during the winter of 1978-79 than in 1930-31?

Correct answer:

x =  4.3776

Step-by-step explanation:

$$\begin{gathered} a=355.9\text{ in } \\ b=81.3\text{ in } \\ x=a\mathrm{/}b=355.9\mathrm{/}81.3=4.3776 \end{gathered}$$

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