SOLUTION: 1.5 hours and the material costs
$8. Method II takes
2.0 hours, and the material costs
$5 Next week, they plan to spend
158 hours in labor and
$480
in material for refinis
Algebra.Com
Question 1152850: 1.5 hours and the material costs
$8. Method II takes
2.0 hours, and the material costs
$5 Next week, they plan to spend
158 hours in labor and
$480
in material for refinishing tables. How many tables should they plan to refinish with each method? (Round to two decimal places if necessary.)
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
tables with Method I.
tables with Method II.
account for hours:
account for cost:
solve the system:
.......1
..........2
--------------------------------------
.......1...solve for
.....1a ..substitute in eq.2
..........2
.....1a
so, they should plan
tables with Method I.
tables with Method II
check:
tables with Method I.:
hours and the material costs $
tables with Method II:
hours, and the material costs $
=> hours and $ cost
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