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Sagot :
9514 1404 393
Answer:
C
Step-by-step explanation:
Look at the units.
A. km²/(m·min)
B. m·min/hr²
C. m/min . . . . . . . . the units we want
D. km²·min/(hr²·m)
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Additional comment
Units can be treated as though they were a variable. This is especially true when it comes to addition and subtraction, where you can only combine "like" terms. You can add 3 m + 2 m = 5 m, for example, but not 3 m + 2 cm. You must convert to some common unit before you can do that last addition.
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