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
katen-ka-za [31]
3 years ago
5

A bag contains 25 cents and 50 cent coins whose total value is $30 if the number of 25 cent coins is four times that of 50 cent

coins, find the number of each type coins. please may I also have the equation.​
Mathematics
2 answers:
damaskus [11]3 years ago
4 0

Number of 25 cents coins is  80 and number of 50 cents coins is 20.

Step-by-step explanation:

Given,

A bag contains of total value $ 30.

Number of 25 cent coins is four times that of 50 cent coins.

To find number of 25 cents coin is x

Number of 50 cents coin is y

According to the problem,

\frac{x}{4} +\frac{y}{2} = 30 ----- eq 1

x = 4y------ eq 2

Now, we will solve these two equation.

Putting the values of x = 4y in eq 1 we get,

\frac{4y}{4} +\frac{y}{2} = 30

or,  y +\frac{y}{2} = 30

or, \frac{3y}{2} = 30

or, y = 20

So, x = 4×20 = 80

Hence,

Number of 25 cents coins = 80 and number of 50 cents coins = 20

polet [3.4K]3 years ago
3 0

Answer:

Step-by-step explanation:

Let 25 cent coin be A and 50 cent coin be B

Given

Total value of 25 cents coin and 50cents coin is $30

That’s

25A + 50B = 30

Also, 25 cents coin is equal to four times that of 50

So,

A = 4B

We now have

25A + 50B = 30

A = 4B

Substitute 4B for A into the first equation

25(4B) + 50B = 30

25 x 4B + 50B = 30

100B + 50B = 30

150B = 30

Divide both sides by 150 to isolate B

150B/150 = 30/150

B = 1/5

Recall

A = 4B

Therefore

A = 4 x 1/5

= 4/5

Number of 25 cents coin is 4/5 and that of 50 cents coin is 1/5

You might be interested in
HELP PLEASE!!!!!!!!!!!
Alona [7]

Answer:

C

Step-by-step explanation:

Step-by-step explanation:

The volume of a cylinder = πr²h

= 33 cubic inches

The volume of a cone = ¹/3 πr²h

If the cylinder and come share the same radius and height then ‘πr²h’ part of the formulas is the same for both;

It means the difference in proportionality is ¹/3 (because even π is the same across board). The volume of the cone is therefore;

¹/3 (33)

= 11

= 11 cubic inches

Hope this helps!

6 0
3 years ago
How much does four quarters equal
IceJOKER [234]

1 dollar or 100 cents

5 0
3 years ago
Read 2 more answers
There are 6 swimmers in a race. In how many ways can they finish in first and second place?
hodyreva [135]

Answer:

step 1. 6x2=12 first place way

step 2. 12×2=24

step 3. 24+6=30 second place way

6 0
2 years ago
The company discovered that it coast $27 to produce 2 camera cases, $105 to produce 4 camera cases, and $675 to produce 10 camer
storchak [24]

Answer:

we plot first the data and find the equation. The equation is c(x) = 7x2 - 3x + 5. when x is equal to 5, then c(x) is equal to $165

Step-by-step explanation:

8 0
3 years ago
Two digits are selected with replacement from the digits 1, 2, 3, and 4.
Helen [10]
6 and 8 I believe is the answer
6 0
3 years ago
Other questions:
  • if a cylinder with the volume of 785 cm was filled 50% of its capacity, how much water would it contain.
    8·1 answer
  • Six less then a number is equal to ten
    11·2 answers
  • Susan has a 12-inch board for construction a wooden chair. The directions say to use a board that is 29 centimeters long.Is her
    7·1 answer
  • A company says its premium mixture of nuts contains 13​% Brazil​ nuts, 19​% ​cashews, 17​% ​almonds, and 8​% ​hazelnuts, and the
    13·1 answer
  • Describe a way in which the diagram above illustrates the unique line postulate.
    15·1 answer
  • Factorise 4x^3 + 24x^2 Fully
    11·1 answer
  • Use the drop-down menus to identify the values of the
    9·1 answer
  • Please help I dont understand
    11·1 answer
  • Simplify the expression: <br> 6x ^ 2 + 7x - 3x ^ 2 - 2x
    12·1 answer
  • I need help with #5
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!