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Aleksandr [31]
1 year ago
5

Josslyn has nickels and dimes in her pocket. The number of nickels is three more than seven times the number of dimes let d repr

esent the number of dimes. Write the expression for the number of nickels
Mathematics
1 answer:
vfiekz [6]1 year ago
3 0
7d+3Explanation

to solve this we need to translate into math terms, so

Step 1

a) let d represents the number of dimes

let n represents the number of nickles

so

re write the expressions

\begin{gathered} number\text{ of dimes=d} \\ seven\text{ times the number of dimes = 7d} \\  \end{gathered}

The number of nickels is three more than seven times the number of dimes in other words you have to add 7 to seven times the number of dimes to obtain the number of nickles

hence

n=7d+3

therefore , the expression for the number of nickles is

7d+3

I hope this helps you

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<span>|7x-7|+3 = 4x+1  ⇒⇒⇒ add (-3) to both sides
</span>
<span>∴ |7x-7| = 4x - 2
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According to the absolute rule
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So, the correct answer is option <span>B. 5/3 and 9/11</span>


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