For this case we have that if Molly spent all the spool ribbon with 12 people, then "r" would be given by the product of 12 for the amount of ribbon that each person received, that is:
Thus, the spool initially had 36 feet of ribbon.
If Molly also keeps 3 feet of ribbon, then the value of "r" is given by:
In this case, the ribbon spool initially had 39 feet of ribbon.
Answer:
shared between 12 people
shared between 12 people and Molly
The answer is x=-6.33333 (-19/3)
First, add like terms (12+7), which would equal to 19.
Then isolate the variable by subtracting 19 and adding it to the other side of the equal sign.
Now with this new equation of 3x=-19, isolate again by dividing 3 from x and do the same thing to the other side (-19/3).
The answer should be -6.33 repeating, but in algebra you would give a more simplified answer. This would be -19/3
6 and 30 camd be simplified with 6
the result will be 1:5
so the question mark is 5
Using proportions, it is found that Jade's total yearly income was of $50,600.
<h3>What is a proportion?</h3>
A proportion is a fraction of a total amount.
In this problem, Jade's income is composed by:
- Fixed annual salary of $18,000.
- Car allowance of $50 per week, for 52 weeks.
- 2.5% on commissions of $1,200,000.
Hence:
Jade's total yearly income was of $50,600.
More can be learned about proportions at brainly.com/question/24372153