A dress on sale in a shop is marked at $D. During the discount sale its price is reduced by 35%. Staff are allowed a further 30% reduction on the discounted price. If a staff member buys the dress what will she have to pay in terms of D ?
Pick.
A) 0.555D B) 0.765D C) 0.455D D) 0.785D E) 0.805D
Effective discount = a + b + ab/100 = - 35 - 30 + (-35)(-30)/100 = -54.5   Sale price = D * ( 1 - 54.5/100)   Sale price = .455 * D   Answer (0.455D)
<result>C</result>
A dress on sale in a shop is marked at $D. During the discount sale its price is reduced by 35%. Staff are allowed a further 30% reduction on the discounted price. If a staff member buys the dress what will she have to pay in terms of D ?