Two hundred
copies can be
mode for $6.00.
How much will 150 copies cost?

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

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Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third