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aleksandr82 [10.1K]
2 years ago
11

Wood is sometimes sold in planks that are 2 inches high, 4 inches wide, and 6 feet long.

Mathematics
2 answers:
Gemiola [76]2 years ago
6 0

Answer:

Answer = 72!

Step-by-step explanation:

Okay, so imagine that piece of wood in your mind

As the second part of the question states, the LENGTH is the only dimension that changes. It goes from 6 Foot pieces, to 6 INCH pieces.The height and the width stay the same, at 2 inches and 4 inches, respectively

So, we know that there are 12 inches in a foot. If the original piece was 6 Feet long, then if you multiply 6 (the number of feet) x 12 (the number of inches per foot) then you come up with 72!

Thus, that plank of would could be cut into 72 pieces that were 2 inches high, 4 inches wide, and 6 inches long.

Sindrei [870]2 years ago
5 0

Answer: 72

Step-by-step explanation:

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On Sunday 440 people visited a museum that charges $9 for each child and $12.50 for each adult. If the museum earned $5,220 on t
alisha [4.7K]

Answer:

A) 360 adults

Step-by-step explanation:

c=quantity of child

a=quantity of adult

9c+12.5a=5220

a+c=440    then c=440-a

substitute for c

9(440-a)+12.5a=5220

3960-9a+12.5a=5220

reduce

3.5a=1260

a=360

3 0
3 years ago
20% of what number is 30? Pick the proportion that could be used to solve.
Colt1911 [192]

30 is 20% of 150

Working out percentage problems of the form "30 is 20 percent of what number?"

We have, 20% × x = 30

or,  

20/100 × x = 30

Multiplying both sides by 100 and dividing both sides by 20,

we have x = 30 ×  100/20

x = 150

If you are using a calculator, simply enter 30×100÷20, which will give you the answer.

5 0
2 years ago
Find the solution for the system of linear equations by elimination: 2x+y=9,3x-y=16
alexandr402 [8]

Answer:

(-5,-1)

Step-by-step explanation:

2x+y=9 -> y=-2x+9

3x-y=16

3x-(-2x+9)=16

3x+2x-9=16

5x-9=16

5x-9 (+9)=16 (+9)

5x=25

x=5

no plug in 5 to x in any equation above

2(5)+y=9

10+y (-10)=9 (-10)

y=-1

so the answer is (-5,-1)

hope it's correct! and hope i helped

3 0
2 years ago
Read 2 more answers
Laura can finish payroll in 3 hours. it takes ben 5 hours to do the same job. If they work together, how long should it take the
rjkz [21]

Answer:

15/8 hours .................

Step-by-step explanation:

Let L be Laura, and B be Ben. Then:

3L=1

5B=1

Next:

15L=5

15B=3

15(L+B)=5+3=8

15/8 (L+B)=1

5 0
2 years ago
natalie was out at a restaurant for dinner when the bill came. her dinner came to $29. after tipping in a tip, before tax, she p
Free_Kalibri [48]

Answer:

%18 tip

Step-by-step explanation:

The dinner cost was $29 before tip

after tip it was $32.22

34.22-29= $5.22  she tipped

$29 * %x = $5.22

After solving this equation, the x is %18

3 0
2 years ago
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