It must snow 8.5 inches before school is cancelled.
Step-by-step explanation:
Given,
Least level required for snow day = 10 inches
It has already snowed = 1.5 inches
Let,
x be the snow required more for the school to announce snow day.
x = Level of snow required - Already snowed
[tex]x= 10-1.5\\x=8.5\\[/tex]
It must snow 8.5 inches before school is cancelled.
Keywords: subtraction
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