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Test # 47


1.
Man driving a distance of 90 miles averages 30 miles/hr. On the return trip he averages 45 miles/hr. What was his average speed for the round trip (in miles/hr)?

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Idiom of the Day

make a silk purse out of a sow's ear
to create something valuable out of something of no value
You cannot make a silk purse out of a sow's ear and the woman is not a good singer and will probably never sing in the choir.
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