Finding the original price given the sale price and percent... At a sale this week, a sofa is being sold for $234. This is a 28% discount from the original price.
What is the original price

$325

Step-by-step explanation

78% is 234

x is 100%

cross multiply

=

234 × 100 = 72x

23400 = 72x

23400÷72 =72x ÷72

325 = x

34.5 cm

step-by-step explanation:

generally for a circular segment of angle, θ° and radius r

arc length

= (θ/360) x circumference

= (θ/360) x 2πr

in our case, θ = 60°, π=3.142 and r = 33 cm

substitute into above formula

arc length

= (60/360) x 2(3.142)( 33) = 34.5 cm

look at the picture i have filled out a table for it. hope this .