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Helga [31]
3 years ago
11

Bodhi has a collection of 175 dimes and nickels. The collection is worth $13.30. Which equation can be used to find n, the numbe

r of nickels in the collection?
ANSWER- 0.1(175-n)+0.05n=13.30

Mathematics
2 answers:
denis23 [38]3 years ago
8 0
N+d=175, so d=175-n

0.05n+0.1d=13.30  now using d found above in this equation yields:

0.05n+0.1(175-n)=13.30

...

1.5(4-g)+1g=5.5

6-1.5g+g=5.5

6-0.5g=5.5

-0.5g=-0.5

g=1

5.5/4=1.375

So your grid should be:

3oz    1.50     4.50

1oz    1.00     1.00

4oz    1.375   5.50




kakasveta [241]3 years ago
4 0

Answer:

The equation we can use is 0.1(175-n)+0.05 n=13.30

Step-by-step explanation:

Number of Dimes= d

Number of Nickels= n

n+d=175, so d=175-n

The value of the dime is $0.10 and the value of each nickel is $0.05 and the whole  collection is worth $13.30, so

0.1 d+0.05 n=13.30

Replacing

0.1(175-n)+0.05 n=13.30 this is the equation we have to use to get the number of nickels.

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