Dr.Sox paid $1580 for a new computer system. She also paid a 6.5 sales tax. How much was the tax? What was the total cost?
2 answers:
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use pythagoras:
c^2 = (27)^2 - (13)^2
c^2 = 560
c = 23.6643....cm
use pythagoras:
c^2 = (27)^2 - (13)^2
c^2 = 560
c = 23.6643....cm