The answer would be a decimal so the answer is 7.4161984871.
We use letters to represent the unknown coins.
P for pennies that worth 1 cents
N for nickels that worth 5 cents
D for dimes that worth 10 cents
Q for quarters that worth 25 cents.
<span>"He has twice as many nickels (N) as dimes (D)" So D=2N
</span><span>"and four times as many pennies (P) as quarters (Q)." So Q=4P
</span>
Number of coins equals P+N+D+Q=P+N+2N+4P (Dimes and quarters are written in terms of nickels and pennies, respectively)
So, number of coins is equal to 5P+3N=201. Thats is the first equation (I)
To write the second equation, use cents of coins. 12.10 $ in coins can be shown as
5P. 1 cent + 3N. 5 cent=1210 cents or simply 5P + 15N=1210 (Second equation)
We have two equations and two unknowns so it is soluble.
number of coins: 5P+3N=201 (I)
cents of coins: 5P+15N=1210 (II)
Use the substitution method. (II) - (I)=12N=1009
N=1009/12=84 ( Actually it is 84.08)
D=2N=168
P= -10
Q=-40
Number of pennies and quarters are <span>meaningless. They can't be negative. So they should be something wrong in the question.</span>
No. The value in the hundreds place represents 500, whereas the value in the tens place represents 50. The value in the hundreds place is 10 times as great as the value in the tens place.
Answer:
2/5
Step-by-step explanation:
Probability determines how likely an event would occur. Probability of an event occurring usually lies between 0 and 1
There are three types of probability
- Theoretical Probability
- Experimental Probability
- Axiomatic Probability
the probability it lands right side up = number of times it landed right side up / total number of times the airplane was thrown
12/30
To express in simpler form, divide both numerator and denominator by 6
2/5
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