Answer:
Step-by-step explanation:
7x + 2x =90 (being perpendicular)
9x =90
x =90/9
x =10
substiute the value of x
7x
=7*10
=70
2x
=2*10
=20
Answer:199---3
Step-by-step explanation:
1 = 3/3 then you add the 2/3 and get 5/3. Hope this helps!
Given

This can be simplified as follows:

Option A is the correct answer.
Answer:
<em>62.5%</em>
Step-by-step explanation:
The store buys 500 shirts for $8,000.
The store bought each shirt for $8,000/250 = $32.
The markup on each shirt is $20. The percent markup is the percent that $20 is of $32. In other words, what percent is $20 out of $32?
To find what percent a part is of a whole, divide the part by the whole and multiply by 100.
percent markup = $20/$32 * 100 = 62.5%