kevin and randy muise have a jar containing 59 coins, all of which are either quarters or nickels. the total value of the coins
1 answer:
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Hey there!!
How do we find slopes ?
Slope =
We are given with two co-ordinates :
(-1,8) and (3,-4)
Hence, the slope is :
... = -3
The slope is -3.
Hope my answer helps!
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.
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