Answer: b=20
Step-by-step explanation:
Subsitute a for 20.
b=20/4-3
b=20/1
b=20
The correct answer is A. <span>0.125
</span><span>
1/8(this is a fraction)</span>
(divide the numerator by the denominator)
1÷8 = 0.125
If you want you can Convert the number to a percentage:<span>
0.125×100=12.5%
but the question is asking for decimal form therefore the answer is </span>0.125.
I also did the quiz and this was correct
Hope this helps!! :D
Let's call the unknown amount of money <em>x</em>
Betty spend 5/12 of her money (5/12)x and had 42 dollars left. Translated,

Solving,



Answer: $72
Answer:
x=3
Step-by-step explanation:
2x+3=9 (subtract 3 from both sides)
2x=6 (divide both sides by 2)
x=3
Answer:
Table A.
Step-by-step explanation:
Tara reads at a constant rate of 15 pages per day.
Therefore, on day 1, she reads a total of 15 pages.
On day 2, she reads a total of 15 × 2 = 30 pages.
On day 3, she reads a total of 15 × 3 = 45 pages.
Therefore, table A represents the relationship. ( Answer )