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Svetllana [295]
3 years ago
11

kevin and randy muise have a jar containing 50 coins, all of which are either quarters or nickels. the total value of the coins

in the jar is $10.10. how many of each type of coin do they have?
Mathematics
1 answer:
jok3333 [9.3K]3 years ago
8 0
You would have 38 quarters=$9.50 and you would have 12 nickels=$.60, which means that you would have a total of $9.50+$.60=$10.10 and then 38+12=50 coins. 
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Answer:

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Hope this helps! Have a great day!!

Step-by-step explanation:

1)

x  -  72  =  136

    +  72      +72

x             =    208

2)

 n  -  10  =  13  +  5

 n  -  10  =  18

       +10       +10

        n      =  28

8 0
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in a school the ratio of boys to girls 6/5. what is the probability of choosing a girl from a class of 22?
kifflom [539]

the ratio 6/5 means for every 6 boys there are 5 girls.

Add the ratio: 6+5 = 11

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8 0
3 years ago
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Answer:

33 and 55

Step-by-step explanation:

\frac{x}{y}: \frac{3}{5}

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If it was an experiment, there'll have been a control group and the students will have control over the price. Also, the sampling methods used here is a systematic random sampling.

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