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Inessa [10]
3 years ago
10

To raise funds, a school sells two kinds of raffle tickets, some for $6 and the rest for $1.50 . Sales for both amounted to $822

. If 371 tickets were sold, how many were $1.50 tickets?
Mathematics
2 answers:
Bond [772]3 years ago
5 0

Answer:

605

Step-by-step explanation:

605 $1.50 tickets

MaRussiya [10]3 years ago
4 0
x-number\ of\ \$1.5\ tickets\\371-x-number\ of\ \$6\ tickets\\\\1.5x+6(371-x)=822\\1.5x+2226-6x=822\\1.5x-6x=822-2226\\-4.5x=-1404\ \ \ \ \ |:-4.5\\x=312\\\\There\ where\ 312\ tickets\ for\ 1.5\ sold
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3 years ago
Loveland Colorado, is 18 km due south of Fort Collins and 31 km due west of Greeley, What is the distance between Fort Collins a
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8 0
3 years ago
15 Points!
Gnom [1K]
S(p)=D(p)\to10+0.002p^3=50-0.04p^2\\\\0.002p^3+0.04p^2-40=0\ \ \ |\cdot1000\\\\2p^3+40p^2-40000=0\ \ \ \ |:2\\\\p^3+20p^2-20000=0\to p\approx21.86

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