Hello,
to find the total cost (c) of the colored strips we have to multiply the number of strips (n) by the cost of each color strip (99¢), that as an algebraic function is:

[¢]
Now, if we use 3 solid color strips, that means that we use 4 patterned strips, so:
Answer: c=n*99 and Cost per curtain= $7.97
Answer:
146.6
Step-by-step explanation:
0.47 * 312=146.64 when rounded to the nearest tenth that = 146.6
Answer:
x=180-x
2x=180
x=90
Step-by-step explanation:
14,795,000 people out of 55,000,000