Question

I'll fail if I miss this question... Please help.... NOT DIFFICULT.

Answer 1

Cory is building an enclosure with recycled cardboard for her collection of model cars. Her design is as shown below:

Answer 2

What is the length of side EF in inches? (6 points)


15

25

30

45

Answer 3

Okay, so the easiest way to do this is to compare the measurements of both the design and the project.

Look at the length of ML on Cory's Design and then compare it to the length of DC on Cory's Project.

What are the two lengths?

Answer 4

@smart1012

Answer 5

What lengths?

Answer 6

Do you see how in Cory's Design the length of ML is 8 in.?

Answer 7

Oh yes! Sorry, was confused. DC is 40 in.

Answer 8

That's right!
So what do you multiply 8 by in order to get the product of 40?

Answer 9

5

Answer 10

That's correct.
So Cory's Project is 5 times bigger than Cory's Design.

If NH is 5 inches according to Cory's Design, what is the measurement of EF in Cory's Project (Hint: Multiply by 5)?

Answer 11

What do I multiply by 5?

Answer 12

25? Is that the answer?

Answer 13

Yes, that is correct.

See, you first have to figure out how many times bigger the project is than the diagram by comparing the lengths of two of the same lines (in this case we compared the lengths of ML and DC to find that the project is 5 times bigger than the diagram).

Take this formula for example:
n= the number of how many times bigger the project is than the diagram

ML=8
DC= 40
8 * n = 40
8 * 5 = 40
---------
n=5

NH= 5
EF= n

(as previously stated) n = 5
5 * 5 = 25
----------
EF = 25

Answer 14

Thank you so much! Could you help me with a few more? (Btw, that made a lot of sense)!

Answer 15

You're welcome! Sure, I'd be happy to help. Just tag me in your new question when you are ready. :)

Answer 16

Thanks!