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
True [87]
3 years ago
9

A store sells toys in bulk. It sells wooden blocks for $5 a pound and plastic bricks for $10 a pound. How many pounds of wooden

blocks and plastic bricks should be used to make a 10-pound mixture that would sell for $80?
Mathematics
1 answer:
mart [117]3 years ago
5 0

Answer: 4 pounds of wooden blocks and 6 pounds of plastic bricks should be used.

Step-by-step explanation:

Let x = Quantity of wooden blocks.

y = Quantity of plastic bricks.

As per given , we ahve

5x+10y=80        (i)

x+y=10     (ii)

Multiply 5 on both sides of (ii), we get

5x+5y=50   (iii)

Eliminate (i) from (iii), we get

5y=30

⇒ y= 6

Put y=6 in (ii), we get

x+6=10

⇒ x= 10-6= 4

Hence, 4 pounds of wooden blocks and 6 pounds of plastic bricks should be used.

You might be interested in
What is the range of the function shown in the graph below?
Alex_Xolod [135]
We need to see the graph. There is no pic attached.
3 0
3 years ago
The smiths have saved $25,000 toward the purchase of a new car. If the sales tax is 5%, the purchase price of smiths new car bef
lukranit [14]

Answer:

26,250

Step-by-step explanation:

25,000 + 5% = 26,250

:) please mark Brainliest

8 0
3 years ago
Using mathematical induction prove whether or not the following statement is true for all positive integers n, or show why it is
aniked [119]

Base case: For n=1, the left side is 2 and the right is 2\cdot1^2=2, so the base case holds.

Induction hypothesis: Assume the statement is true for n=k, that is

2+6+10+\cdots+4k-2=2k^2

We want to show that this implies truth for n=k+1, that

2+6+10+\cdots+4k-2+4(k+1)-2=2(k+1)^2

The first k terms on the left reduce according to the assumption above, and we can simplify the k+1-th term a bit:

\underbrace{2+6+10+\cdots+4k-2}_{2k^2}+4k+2

2k^2+4k+2=2(k^2+2k+1)=2(k+1)^2

so the statement is true for all n\in\mathbb N.

5 0
3 years ago
Look at the screenshot.....
r-ruslan [8.4K]

Answer:

the total surface area is 360 cm

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
What the vertices of a rectangle show a Dilation of what scale factor
Fiesta28 [93]
The answer is C I thought it was D at first

6 0
3 years ago
Other questions:
  • An anthropologist visits an igloo with a circular floor. While there, she measures it and calculates that it has a circumference
    12·1 answer
  • The scale on a map is 1/4 inch equals 3/4 mile. How long is one mile on the map?
    9·1 answer
  • A sample has a mean of m = 90. if each score in the sample is multiplied by 5, then what is the mean for the new distribution?
    10·1 answer
  • The size of a TV is measured by its diagonal. You want to buy a TV that has a 32
    7·1 answer
  • 0.3643 in scientific notation
    6·2 answers
  • X^2-6x+9=0 solve by completing the square
    9·2 answers
  • 5. What is the combined weight of the 3/4-lb bags?<br>​
    9·2 answers
  • Hi i need help. Please help
    7·1 answer
  • Grade 5 module 2 lesson 25 problem set
    8·1 answer
  • You need a common numerator in order to add or subract two fractions.<br> O True<br> O False
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!