Answer:
The answer is C.
Step-by-step explanation:
In order to find x, you have to multiply both sides by 40 :



If you want to add fractions, you need to first make them like fractions, this means both fractions need to have the same denominator without changing its proportion:
7/10 = 70/100
17/100 = 17/100
Now it is the same and you can add them now because they are like fractions.
70/100 + 17/100 = 87/100
Your answer is B.
Answer: 
<u>Add 3x to both sides</u>
<u></u>
<u></u>
<u></u>
<u>Subtract 15 from both sides</u>
<u></u>
<u></u>
<u></u>
<u>Divide both sides by 5</u>
<u></u>
<u></u>
Answer:
$112.50
Step-by-step explanation:
13.50 / 6 = 2.25; this is how much it cost per pound
2.25 * 50 = 112.50
Answer:s
12 weeks
Step-by-step explanation:
if keith starts with $500 and wants to end with (at least) $200
he can withdrawn up to $500-$200=$300
if he withdraws $25 week the $300 will last $300 $25 week =12 weeks