P=1.15(20+0.5x)=23+0.575x
62.1=23+0.575x
0.575x=39.1
x=68
68 pages.
<em>If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).</em>
<em>If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).</em>
81.1<u>3</u>9 ≈ <u>81.1</u>
Answer:
25= 10+w
Step-by-step explanation:
Ten and w add up to 25 so yeah
The answers are expressions:
(7b*3)+(7b*c)
21b+7bc
I hope I helped!