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Liula [17]
3 years ago
14

Each book in a store costs $12, and each pen costs $2. If you want to spend exactly $30, then write an equation that models this

situation. Let b represent the number of books you buy, and p represent the number of pens you buy. Choose the best answer.
12p + 2b = 30

14bp = 30

not enough information

12b + 2p = 30

12p - 2b = 30
Mathematics
2 answers:
klasskru [66]3 years ago
6 0

Answer:

12b+2p=30

Step-by-step explanation:

12b+2p=30

you mulitply amount of books you buy by 12 bucks and the amount of pens you buy for 2 bucks and set it equal to 30 your maximum amount to spend

ivann1987 [24]3 years ago
6 0

Answer:

12b + 2p = 30

Step-by-step explanation:

b - books

p - pens

Each book costs $12 and each pen is $2, so that would be 12b plus 2p because you don't know how many of each you buy. Then set that equal to 30 because that is the total amount that you spend.

12b + 2p = 30

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3 years ago
Write an equation in slop intercept form (y=mx+b) for the line that has a slope (m) of 12 and passes though the point (3,20)
navik [9.2K]

Answer:

y=12x-4

Step-by-step explanation:

To find the slope intercept form, we know the m(slope) but we need to find b.

y and x is given to us, so we can find b.

Plug in the numbers provided into the slope intercept form.

y=mx+b

20=(12)(2)+b

20=24+b

To find b, we have to get b by itself. So, we subtract both sides by 24.

-4=b

Now that we found b, we can plug this into the equation.

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2 years ago
Travis just got a new credit card that offers inductors APRof 3.6% for first 3 months and standard APR of 14.4% thereafter. If i
Makovka662 [10]

Answer:

Month 1 : 0.002988

Month 2: 0.00299692814

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Step-by-step explanation:

Since we're only finding the interest for the first three months, it's easy to do it by performing the simple interest formula. But first, we need divide 3 by 12, since we calculate interest using years. 3/12 = 1/4 = 0.25

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Let's say P = 1. For the first month, it will be 1 x 3.6 x 0.083 = 0.2988 / 100

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The third month, (1.002988 + 0.00299692814) x 3.6 x 0.083 = 0.300588297/100

Given the initial amount be 1, those would be the periodic interest rate during the first three months.

5 0
3 years ago
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andrew-mc [135]
A polynomial is the sum of monomials
5 0
3 years ago
Read 2 more answers
A customer sent in a $230 check to pay off an overdue bill but failed to pay the interest that accrued over the 45 days after th
viva [34]
$230+($45x$0.42=248.90

That is the equation to solve it.
4 0
3 years ago
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