Deena decides to mark down prices at her jewelry store 20% for a clearance sale. she must add 6% to the sale price for state sales tax. suppose an item was originally priced at x dollars. which expression does not represent the total sale price, including sales tax, of the item?

.86x

Step-by-step explanation: 20-6 = 14. 100-14=86. So 14 % off at x price would = .86x

hello from mrbilldoesmath!

answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb

well we know there are 4 clubs in 52 cards so it’s replaced so it should be 3/51

step-by-step explanation: