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Sav [38]
3 years ago
11

A piggy bank contains Number of quarters as Nickels. If there are no other coins in the piggy bank and it is worth $2.10, how ma

ny quarters are there?
Mathematics
2 answers:
Mademuasel [1]3 years ago
8 0

Answer: There are 7 quarters in all.

Step-by-step explanation:

Let the number of nickels be 'x'.

Let the number of quarters be 'x'.

1 nickel =$ 0.05

1 quarter = $0.25

So, According to question,

0.05x+0.25x=2.10\\\\0.3x=2.10\\\\x=\dfrac{2.10}{0.3}\\\\x=7

Number of nickels = Number of quarters = 7

Hence, there are 7 quarters in all.

Fed [463]3 years ago
6 0
7 Quarters
7*25=175
7*5=35
175+35=210
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Answer:

Option B.

Step-by-step explanation:

The given expression is

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Combine like terms.

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In option B, the given expression

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It is same as the simplified form of given expression.

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