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Dima020 [189]
3 years ago
9

You buy 8 pencils for $8 at the bookstore. Standard pencils cost $0.85 and specialty pencils cost $1.25. How many specialty penc

ils did you buy?
Mathematics
1 answer:
Oliga [24]3 years ago
3 0

Answer:

<u>We bought 3 specialty pens and 5 standard</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Standard pencils cost $0.85

Specialty pencils cost $1.25

You buy 8 pencils for $8

2. How many specialty pencils did you buy?

Number of specialty pencils = x

Number of standard pencils = 8 - x

Let's write our equation to solve for x:

0.85 (8 - x) + 1.25x = 8

6.8 - 0.85x + 1.25x = 8

0.4x = 8 - 6.8

0.4x = 1.2

x = 1.2/0.4

x = 3 ⇒ 8 - x = 5

<u>We bought 3 specialty pens and 5 standard</u>

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(6x+2.4):3 /59=2.25:1/3 find x<br> hurry plz
IgorLugansk [536]

Solution of (6x + 2.4): 3 ⁵/₉ = 2.25 : ¹/₃ is 3.6

Further explanation

Order of Operations in Mathematics follow the following rule :

Parentheses

Exponents

Multiplication and Division

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This rule is known as the PEMDAS method.

In working on a mathematical problem, we first calculate an operation that is in parentheses, followed by exponentiation, then multiplication or division, and finally addition or subtraction.

8 0
2 years ago
Read 2 more answers
A package of 12 pencils cost $0.96. At this rate, how much would 100 pencils cost?
Alexandra [31]

Answer:$8

Step-by-step explanation:

6 0
3 years ago
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Marquise sold shirts to raise money for school.
Rashid [163]
The shirts were sold at $15 each. 

5 0
3 years ago
Explain why 1/2 is not equivalent to 2/5.
juin [17]
Find ing the common denominator would make it 10.
for 1/2 to get to 10 you have to multiply by 5
1/2x5= 5/10
then you have to convert 2/5 to get the denominator to be 10
so you multiply 2/5 by 2
2/5x2= 4/10
5/10 is greater than 4/10
7 0
3 years ago
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A food processor for $149.50 cash, or $5.00 down and $10.00 per month for 15 months
ddd [48]

Answer:

Difference in cash and plan = $155 - $149.50 = $5.50

Interest Rate = 3.68%

Step-by-step explanation:

Given:A food processor for $149.50 cash, or $5.00 down and $10.00 per month for 15 months

A food processor by cash = $149.50

Payment plan =  Down payment + $10*15 months

= $5 + $10*15

= $5 + $150

Payment plan = $155

Difference in cash and plan = $155 - $149.50 = $5.50

Now we have to find the interest rate

= (difference/original)*100

= (5.50/149.50)*100

Interest Rate = 3.68%

6 0
3 years ago
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