20× 8 = 160
160 + 2x > or = 500
-160--------------- -160
2x > or = 340
÷2------------÷2
x > or = 170
She has to sell at least 170 cupcakes to make $500 in profit.
Hope this helps!
5.26 is equivalent to 526/1000, which is the ratio of two integers. 526/1000 can, in turn, be reduced to 263/500, which is the same (ratio). Thus, 5.26 is rational.
Answer:
21.7%
Step-by-step explanation:
(25,550-19,990) / 25,550 = 5,560/25,550 = 0.217612524462 or 21.7% increase
