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
Norma-Jean [14]
3 years ago
11

A bookstore had 81 copies of a magazine, Yesterday the bookstore sold 7/9 of these copies. How many copies were sold yesterday?​

Mathematics
2 answers:
o-na [289]3 years ago
5 0
I believe 63 copies were sold (like the person above said)

How I would have done it is found out what 1/9 was, by dividing 81 by 9 which is 9, then multiply 9 and 7 to get the amount of books sold which is 63

Please correct me if I am wrong, have a good day!
mestny [16]3 years ago
4 0

Answer: 63 copies were sold yesterday.

Step-by-step explanation: To find how many copies were sold yesterday, simply multiply 81 by 7 which is 567. Then, divide 567 by 9 which is 63.

You might be interested in
Y=750x+20,000 and y=950x+27,000 compare the two equations and summarize their differences
Lostsunrise [7]

Answer:

y = 200x + 7000

Step-by-step explanation:

950x-750x=200x

27,000-20,000=7000

hope this helps

6 0
2 years ago
MANUFACTURING. The cost of manufacturing widgets is given by
nadezda [96]

Let's solve

  • C=2p+35

PutC=65

  • 2p+35=65
  • 2p=65-35
  • 2p=30
  • p=15$
4 0
2 years ago
Read 2 more answers
WILL MARK BRAINIEST FOR FIRST PERSON TO ANSWER WITH THE STEPS
kondaur [170]

Answer:

  a. 1.2 ohms

  b. 6 ohms

Step-by-step explanation:

As with any problem involving evaluation of a formula, substitute the given values for the corresponding variables and do the arithmetic.

a.

  R=\dfrac{1}{\dfrac{1}{R_1}+\dfrac{1}{R_2}}=\dfrac{1}{\dfrac{1}{2}+\dfrac{1}{3}}=\dfrac{1}{\left(\dfrac{5}{6}\right)}=\boxed{\dfrac{6}{5}=1.2}

__

b.

  R=\dfrac{1}{\dfrac{1}{R_1}+\dfrac{1}{R_2}}=\dfrac{1}{\dfrac{1}{10}+\dfrac{1}{15}}=\dfrac{1}{\left(\dfrac{5}{30}\right)}=\dfrac{30}{5}=\boxed{6}

_____

<em>Comment on these problems</em>

You will notice that the values in part (b) are 5 times those in part (a). So, it is no surprise that the answer in part (b) is 5 times the answer in part (a).

7 0
4 years ago
Hey i need help for 90÷40
Zinaida [17]
2.25 is the answer got it now
6 0
3 years ago
Read 2 more answers
How do I solve 3^(2x-1) = 5x using logarithms?
mrs_skeptik [129]
Get the app MathPapa
7 0
3 years ago
Other questions:
  • $580, 2%, 6 months<br> Simple interest
    13·1 answer
  • What is 3/4 ÷ 1/6 = ?
    15·1 answer
  • What is the image of (0,-8) after a reflection over the line y=x
    13·1 answer
  • -0.5(d - 1.5) = 2.5<br> What is d
    9·1 answer
  • What is the slope of y=4/5x-5
    8·2 answers
  • What is 25x10^9 in standard form
    7·1 answer
  • The​ quality-control manager at a compact fluorescent light bulb​ (CFL) factory needs to determine whether the mean life of a la
    5·1 answer
  • Write an equation for the data in the table. Identify your variables.
    15·1 answer
  • La mitad de un número más tres cuartos del número es 3 menos que cuatro tercios del número. Encuentre el número.
    15·1 answer
  • 27.9km to the nearest km
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!