<span>What is the value of x in the proportion x + 1 / x+3 = 15/ 21
a.4
b.1/3
c.1/4
d.3</span>
the answer is
a.) 4
Answer
5/20 so 25%
Explanation
Let x be the number.
Set up an equation:
2x - 2/3x = 20
Simplify:
1 1/3x = 20
Divide both sides by 1 1/3
X = 15
The number is 15
Commission earned by William is $ 45.84
<h3><u>
Solution:</u></h3>
Given that,
William makes a commission of 6% percent on everything he sells
He sells a computer for $764.00
<em><u>To find: Commission amount of William</u></em>
Given that he makes a commission of 6 % on everything he sells. So he has received a commission of 6 % of $ 764.00
Commission amount of William = 6 % of $ 764.00
a % of b can be written in fraction as 

Thus commission earned by William is $ 45.84
Answer:
25%
Step-by-step explanation:
The question is:
6 is what percent of 24?
Set up the problem:
6 x
---- = -----
24 100
600 / 24 = 25%
Check your answer:
25% + 25% + 25% + 25% = 100%
6 + 6 + 6 + 6 = 24