math help please? - XP Math - Forums

 XP Math - Forums math help please?

 08-05-2007 #1 always_smiling98 Guest   Posts: n/a math help please? B Tool Manufacturer sold a set of jigsaws to Buy Hardware. The list price was \$1,950. B Tool offered a chain discount of 6/5/4. The net price of the jigsaws is:
 08-05-2007 #2 Raccoon Guest   Posts: n/a \$585. Discount looks more like a date. I mean I read it as 6 divided by 5 divided by 4, could you clarify so I can edit accordingly.
 08-05-2007 #3 Some Guy in IT Guest   Posts: n/a Apply a 6 percent discount, get the result, apply a 5 percent discount to that, get the result, and then apply a 4 percent discount to that to get your answer. The answer is \$1671.70 (\$1950 * .94 * .95 * .96 = \$1671.70)
 08-05-2007 #4 Craig M Guest   Posts: n/a The list price = \$1950Let us define some notations to make the calculations easier.P refers to the Principal Amount.DP1 refers to the Discounted price after the First discount(d1).DP2 refers to the Discounted price after the Second discount(d2).DP3 refers to the Discounted price after the Third discount(d3).DP1 = P â€“ (d1 x P)DP2 = P â€“ (d1 x P) â€“ d2(P â€“ (d1 x P)) = DP1 â€“ d2(DP1)DP3 = DP2 â€“ d3(DP2)DP4 = DP3 â€“ d4(DP3)DP1 = 1950 â€“ (6/100)(1950) = 1950 â€“ (0.06 x 1950) = 1950 â€“ 117 DP1 = \$1833DP2 = 1833 â€“ (5/100)(1833) = 1833 â€“ (0.05 x 1833) = 1833 â€“ 91.65 DP2 = \$1741.35DP3 = 1741.35 â€“ (4/100)(1741.35) = 1741.35 â€“ (0.04 x 1741.35) = 1741.35 â€“ 69.65 DP3 = \$1671.70Since, B Tool has offered only 3 successive discounts, the process should be stopped after the third discount.So, the net price of the jigsaws after 3 successive discounts is \$1671.70.Require additional practice in arithmetic/algebra/geometry? Visit http://www.icoachmath.com/

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