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a person wishes to mix coffee worth $9per pound with coffee worth $3 per pound to get a 90 lb of a mixture worth $3 per lb. how many pounds of the $9 and $3 coffees will be needed?
answered
Oct 30, 2017
Mathematics
college
2
votes
66.5k
views
The coordinates below represent two linear equations. How many solutions does this system of equations have? Line 1 x y –1 6 04 Line 2 x y 07 15 AND EXPLAIN HOW YOU GOT IT! A. 0 B. exactly 1 C. exactly
answered
Oct 22, 2017
Mathematics
middle-school
7
votes
227k
views
Who was Charlemagne? A. pope of the Holy Roman Empire B. wife of the last Roman emperor C. king of the Franks D. prime minister of the Carolingian dynasty
answered
Mar 3, 2016
History
high-school
4
votes
227k
views
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