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Nookie1986 [14]
3 years ago
11

A jar is filled with pennies and nickels in the ratio of 5 to 3. There are 30 nickles in the jar, how many coins are there?

Mathematics
2 answers:
vladimir2022 [97]3 years ago
7 0

50 pennies. 30 nickels. 80 coins in total.

AleksAgata [21]3 years ago
6 0

Answer:

80 coins

Step-by-step explanation:

nickels =  3 of every 8 coins   (5+3 =8)

30 nickels

30/3 = 10 x 8 = 80 coins

50 pennies to 30 nickels

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Step-by-step explanation:

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Solve for x.<br> 10 = x + 5 + x<br><br> A. 5<br> B. 10<br> C. 5/2 <br> D. no solution
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3 years ago
Kym plans to deposit $100 in an account at the end of each month for the next five years so that she can take a trip. (a) If Kym
yaroslaw [1]

Answer:

Results are below.

Step-by-step explanation:

Giving the following information:

Monthly deposit= $100

Interest rate= 0.06/12= 0.005

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<u>a)</u>

<u>To calculate the future value, we need to use the following formula:</u>

FV= {A*[(1+i)^n-1]}/i

A= monthly deposit

FV= {100*[(1.005^60) - 1]} / 0.005

FV= $6,977

b) <u>If the deposit is at the beginning of the month, the interest is compounded one more period</u>. We need to use the following formula:

FV= {A*[(1+i)^n-1]}/i + {[A*(1+i)^n]-A}

FV= 6,977 + {[100*(1.005^60)] - 100}

FV= 6,977 + 35

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3 years ago
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Answer:

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Step-by-step explanation:

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Read 2 more answers
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