A car travels along a certain road at an average speed of 60 mph and returns along the same road at an average speed of 20 mph. Calculate the average speed for the round trip.
a. 20 mph
b. 30 mph
c. 40 mph
d. 50 mph
e. 60mph
b. 30 mph
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Fill in the blank(s) with the appropriate word(s).
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What will be an ideal response?
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Answer the following statement true (T) or false (F)
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Select well-drained soils to protect against root diseases
Indicate whether the statement is true or false
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