A dress on sale in a shop is marked at $D. During the discount sale its price is reduced by 45%. Staff are allowed a further 40% reduction on the discounted price. If a staff member buys the dress what will she have to pay in terms of D ?  Answers.
A) 0.35D
B) 0.76D
C) 0.65D
D) 0.77D
E) 0.33D
0.33Dffective discount = a + b + ab/100 = - 45 - 40 + (-45)(-40)/100 = -67   Sale price = D * ( 1 - 67/100)   Sale price = .33 * D   Answer (0.33D)
<result>E</result>
A dress on sale in a shop is marked at $D. During the discount sale its price is reduced by 45%. Staff are allowed a further 40% reduction on the discounted price. If a staff member buys the dress what will she have to pay in terms of D ?