All categories

3 years ago

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

Mathematics

1 answer:

Veseljchak [2.6K]3 years ago

5 0

9514 1404 393

Answer:

6 # plastic bricks
4 # wooden blocks

Step-by-step explanation:

Let p represent the number of pounds of plastic bricks in the mix. Then the number of pounds of wooden blocks is (10-p), and the total cost is ...

10p +5(10-p) = 80

5p = 30 . . . . . . . . . subtract 50

p = 6 . . . . divide by 5; there are 6 pounds of plastic bricks in the mix

4 pounds of wooden blocks and 6 pounds of plastic bricks should be used to make a 10-lb mix worth $80.

You might be interested in

A swimming pool had

Alinara [238K]

I believe your answer is 75 percent but i’m not 100 percent sure

8 0

3 years ago

The coordinates of a point and its images are given. Is the reflection in the

Lemur [1.5K]

Answer:

The reflection is in the y-axis cause the y point went from -7 to 7 and the x point stayed the same.

4 0

3 years ago

What is -√169? (note: negative in front of the √)

Mademuasel [1]

Hello!
Ignore the negative and solve the square root which is 13.
Add the negative with 13 you get -13
Special case is when it is square root of -169 then it will involved with i.
But for this question just solve it directly.
Have a great day!

4 0

3 years ago

Thank you all for your help

kotegsom [21]

I didn't do anything but yay

8 0

4 years ago

Read 2 more answers

If 3 workers can paint a room in 2 hours, then approximately how long does it take 4 workers to paint the same room? Assume the

Olin [163]

It takes 1.5 hours for 4 workers to paint the same room

Solution:

Given that 3 workers can paint a room in 2 hours

To find: Time taken for 4 workers to paint the same room

Assume the time needed to paint the room is inversely proportional to the number of worker

$time $ \propto \frac{1}{\text { number of workers }}\\\\time =k \times \frac{1}{\text { number of workers }}$

Where, "k" is the constant of proportionality

3 workers can paint a room in 2 hours

Substitute number of workers = 3 and time = 2 hours

$time =k \times \frac{1}{\text { number of workers }}\\\\2 = k \times \frac{1}{3}\\\\k = 6$

Therefore,

$\text {time}=6 \times \frac{1}{\text { number of workers }}$

To find time taken for 4 workers to paint the same room, substitute number of workers = 4 in above expression

$time = 6 \times \frac{1}{4} = 1.5$

Thus it takes 1.5 hours for 4 workers to paint the same room

6 0

3 years ago

Read 2 more answers