Let a be the variable for the equation.
now equation for the situation is 1a + 2(a-3) = 91.50
1a + 2a - 6 = 91.50
3a = 97.50
thus, a = 97.5/3 = 32.5$
Now, price of first blouse = 32.5
The price of other two blouse = 32.5-3 = 29.5$
Annual profit=75,000÷6=12,500
ROI=12,500÷15,000=0.8333×100
=83.33%
Answer: C
Step-by-step explanation:
F is the anwser:))))))))))
Answer:

Step-by-step explanation:
Look at the picture.
Use the Pythagorean theorem:

We have:

Substitute:

<em>multiply both sides by 4</em>
<em>subtract 81 from both sides</em>
<em>divide both sides by 4</em>
