Find the value of each variable fast

,,,

Step-by-step explanation:

see the attached figure with letters to better understand the problem

step 1

Find the value of b

In the right triangle BCD

Remember that

so

step 2

Find the value of d

In the right triangle BCD

Remember that

so

step 3

Find the value of a

In the right triangle ABD

Remember that

so

step 4

Find the value of c

In the right triangle ABD

Remember that

substitute

therefore

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.