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Sergio [31]
2 years ago
10

Sierra is selling bracelets to raise money for the Language Club at school. Each bracelet with yellow beads sells for $5. Each b

racelet with orange beads sells for $6. She raised $660 for the club. The number of bracelets with yellow beads that Sierra sold is 8 more than twice the number of bracelets with orange beads. Let y represent the number of bracelets with yellow beads and r represent the number of bracelets with orange beads.Which system of equations will solve for the number of each type of bracelet sold? 5 y + 6 r = 660. y = 2 r + 8. 6 y + 5 r = 660. y = 2 r + 8. 5 y + 6 r = 660. y = r + 8. 6 y + 5 r = 660. r = 2 y + 8.
Mathematics
1 answer:
matrenka [14]2 years ago
5 0

Answer:

Correct answer is:

5y+6r=660\\y=2r+8

Step-by-step explanation:

Given that Number of bracelets with yellow beads is represented by y

Each bracelet with yellow beads is sold for $5.

Total money raised by bracelets with yellow beads = Number of bracelets sold \times Money raised by sale of one such bracelet = 5y

Also Given that Number of bracelets with Orange beads is represented by r

Each bracelet with orange beads is sold for $6.

Total money raised by bracelets with orange beads = Number of bracelets sold \times Money raised by sale of one such bracelet = 6r

Given that total money raised by sale of both type of bracelets is $660.

so, the first equation becomes:

5y+6r=660 ....... (1)

It is also given that "<em>The number of bracelets with yellow beads that Sierra sold is 8 more than twice the number of bracelets with orange beads</em>"

\Rightarrow r =2r+8 ...... (2)

So, by equation (1) and (2), the system of equations is:

5y+6r=660\\y=2r+8

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2 years ago
Yesterday, two friends went into a bank to open savings accounts. Allie started by putting $783 in her account, and she will dep
posledela

<u>Answer:</u>

Both accounts of Nick and Allie will have same amount of $864 in time period of 4 weeks.

<u>Solution: </u>

Given, Yesterday two friends went into a bank to open savings accounts.  

Allie started by putting $783 in her account, and she will deposit an additional $27 each week.  

Nick made no initial deposit, but he will add $288 more each week.  

In a few weeks, the friends will have the same account balance.  

Here, account balance of Allie for every week forms an A.P as

783, 810, 837, ……. With common difference 27

And, account balance of nick for every week will be  

0, 288, 576, …….. with common difference 288

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Now, nth term of allie series = nth term of nick series.

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So, it will take 4 weeks to have same balance and now, substitute n value in nth term of nick series.

4 \text { th term }=0+(4-1) \times 288 \rightarrow 4^{\text {th }} \text { term }=3 \times 288=864

Hence, both accounts will have same amount of $864 in time period of 4 weeks

4 0
2 years ago
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