Answer:
Equations:
--- Cindy
--- Ruben
Solution to equation:
Time they have the same amount: 14 minutes
Number of cards they have at that time: 140 flashcards
Step-by-step explanation:
Solving (a): Variables and what they represent
The variables to use are x and y
Where x represent the minutes and y represents the number of flashcards in x minutes
Solving (b): System of linear equation
Cindy:
per minute
Total number of flashcards (y) in x minutes is:
Ruben:
per minute
Total number of flashcards (y) in x minutes is:
Solution to Equations:
Time they have the same amount.
To do this, we 
expressions
i.e.
Collect Like Terms
Number of cards they have at that time.
Here, we simply substitute 14 for x in any of the equations.
or
Answer:
<u>The correct answer is 35.4%</u>
Step-by-step explanation:
Let's check the information provided in the question:
Savings goal = US$ 2,000 for the club trip
Earnings for the candles selling = US$ 708
For calculating the accumulated percentage, we can do it this way:
Accumulated percentage = Earnings / Savings goal
Accumulated percentage = 708 / 2,000 * 100
Accumulated percentage = 0.354 * 100
<u>Accumulated percentage = 35.4%</u>
<u>Students at Maple School has accumulated 35.4% of their savings goal with the candles selling.</u>
Answer:
It is too dirty to clean
Step-by-step explanation:2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost
Answer:10
Step-by-step explanation:
