At the end of the summer a store marks down all the outdoor furniture 18% . a family bought 4 chairs in june at $35 each, then 2 more chairs when they went on sale. how much did all 6 chairs cost

$197,4

Step-by-step explanation:

4 x 35 = 140         These are the four chairs before the sale.

35 x 18 / 100 = 6,3           35 - 6,3 = 28,7      Price of the chairs after the sale.

2 x 28,7 = 57,4

140 + 57,4 = 197,4

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.