1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
xeze [42]
3 years ago
5

What is the average cost of 7 articles if 3 of them cost 30k each and the rest cost 12.5k each ​

Mathematics
1 answer:
LenKa [72]3 years ago
5 0

{\bold{\red{\huge{\mathbb{QUESTION}}}}}

what is the average cost of 7 articles if 3 of them cost 30k each and the rest cost 12.5k each

\bold{ \red{\star{\blue{GIVEN }}}}

TOTAL NUMBER OF ARTICLE= 7

ARTICLES FOR 30K = 3

ARTICLES FOR 12.5K = 7-3= 4

\bold{\blue{\star{\red{TO \:  \: FIND}}}}

Average cost of 7 articles

\bold{  \green{ \star{ \orange{FORMULA \:  USED}}}}

\red{AVERAGE  =  \frac{TOTAL \:  COST}{ NUMBER  \: OF\: ARTICLES }}

\huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}

Average \:  cost  \: of  \: 7  \: articles -  >  \\  \frac{(3 \times 30k) + (12 .5k \times 4)}{7}  \\  \frac{90k + 50k}{7}  \\  \frac{140k}{7}  \\  \blue {Average \:  cost  \: of  \: 7  \: articles -  >} \\ 20k

You might be interested in
Use mental math to determine the solution to x - 3 = 10 .
DanielleElmas [232]
First Step: Leave "x" alone, pass the 3 to the other side X= 10+3 Second Step: Add 10 plus 3 X= 13 So your answer is: x=13
8 0
3 years ago
Read 2 more answers
How would you correctly write the equation 4(10+5)=6(12-2) using the distributive property?
slamgirl [31]

the correct answer is 45=70

3 0
3 years ago
300/200 as a terminating decimal.
Tomtit [17]

Answer:

1 100/200

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
−2/3a+1/8−1/6a−3/4 PLEASE HELP
prohojiy [21]

Answer:

Evaluate:

-\frac{5a}{6} - \frac{5}{8}

Factor:

\frac{5(-4a-3}{24}

Step-by-step explanation:

6 0
3 years ago
HELPPP FAST LIKE 4 minutes left
Levart [38]

Answer: A. 40

Step-by-step explanation:

3 0
2 years ago
Other questions:
  • I really need the help
    6·1 answer
  • Whats 603X4 estimate go math
    14·2 answers
  • What is the equation for the graph below?
    5·1 answer
  • A line passes through the point A(5/6​,−7) and has a slope of 3. Using the point-slope formula, express the equation of the line
    14·1 answer
  • A bag contains 4 red, 2 blue, 6 green and 8 white marbles. What is the probability of selecting a green marble, replacing it, th
    14·1 answer
  • Please help me it is due soon, please no links
    8·1 answer
  • Given m || n, find the value of x and y.
    15·1 answer
  • How to find the theoretical mean and standard deviation using central limit therom.
    11·1 answer
  • For how many positive integers n is it possible to have a triangle with side lengths five, 12, and n
    14·1 answer
  • How far can the center of the box be from the end of the table before the board begins to tilt?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!