Mar, cashier of ABC Department store

Question

Mar, cashier of ABC Department store is given a 15% discount on a cash purchase. How much will her discount be if she buys 2 dresses at P180 each and one pair of shoes costing P650?

a. P150.50 b. P151.50 c. P1,010 d. P36.009.

Answer 1

.15(2(180) + 650) = 15(360+650) = 15(1010) = P151.50

answer is b.

10% is 101

20% is 202

15% is the average (101+202)/2 = 303/2 = 151.5