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Yuki888 [10]
4 years ago
14

James’ college charges tuition based only on the number of credits a student takes. James paid $1218 to take 12 credits in the f

all semester at a community college. How many credits did he take if he paid $1624 for the spring semester at the same college?
(pls answer i have no idea)
Mathematics
2 answers:
Zielflug [23.3K]4 years ago
8 0

Answer:

16 credits

Step-by-step explanation:

Divide $1218 by 12 to find out how much 1 credit costs. It's $101.50

Because he paid $1624 total for spring, you'll divide that by $101.50 because it's per credit.

1624/101.5 = 16 credits.

hope this is good enough

aalyn [17]4 years ago
6 0

Answer: 16 credits

Step-by-step explanation:

If the cost increases then the credits will increase. The question is asking that if he paid $1218 for 12 credits how many credits will he pay for $1624. Set up a proportional relationship and solve for the number of credits.

1218/ 12 = 1624/x   Cross multiply

1218x = 19488

x = 16  

This means he took 16 credits

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-4r-8(r-6)=7(5r-1)+8
KATRIN_1 [288]

Answer:

r = 1

Step-by-step explanation:

In this question, we have to solve for the vallue of "r". We will use the distributive property shown below to ease our process.

Distributive Property:

a(b+c) = ab + ac

Now, lets solve this:

-4r-8(r-6)=7(5r-1)+8\\-4r-8r+48=35r-7+8\\-12r+48=35r+1\\48-1=35r+12r\\47=47r\\r=\frac{47}{47}\\r=1

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6 0
4 years ago
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oksano4ka [1.4K]

Answer:

178.54

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\frac{7.7}{0.093-0.797} +\frac{7.2}{0.038}<u />

<u />

<u>Step 2: Evaluate</u>

  1. Subtract:                    \frac{7.7}{-0.704} +\frac{7.2}{0.038}
  2. Divide:                       -10.9375 +189.474
  3. Add:                           178.536
  4. Round:                       178.54
7 0
3 years ago
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