Mary is solving the equation 5^x + 4 =11. her first steps are shown. step 1. 5^x + 4 =11 step 2. 5^x =7 step3. in5^x=in7 which shows step 4? a. in 5 = x in 7 b. x in 5 = in 7 c. ^-in 5 = in 7 * x d. x = in 7 - in 5

Option B. x In 5 = In 7

Step-by-step explanation:

we have

step 1

step 2

Subtract 4 both sides

step 3

Apply ln both sides

step 4

step 5

Divide by ln(5) both sides

yes

yes yes yes

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.