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Mathematics 8 Online
OpenStudy (anonymous):

PLEASE HELP!!! A model car has a scale of 1:25. The length of the model when built is 9.6 in. What is the length of the actual car? Answer Choices: 1. 20 feet 2. 19.2 feet 3. 20 inches 4. 25 feet

Vocaloid (vocaloid):

1:25 scale means that the length of the car = 25 times the length of the model make sure to convert inches to feet when you are done multiplying

OpenStudy (anonymous):

So the answer is 25 feet?

Vocaloid (vocaloid):

not quite... first, what is the length of the model?

OpenStudy (anonymous):

when built its 9.6 in.

Vocaloid (vocaloid):

right, multiply that by 25 and tell me what you get

OpenStudy (anonymous):

240

Vocaloid (vocaloid):

right, 240 inches, now convert that to feet

OpenStudy (anonymous):

how do you do that?

Vocaloid (vocaloid):

1 foot = 12 inches __ feet = 240 inches fill in the blank

OpenStudy (sparrow2):

20 inches :D

OpenStudy (anonymous):

um im still kinda confused. im sorry I sound stupid im not very good at math

OpenStudy (sparrow2):

feet

Vocaloid (vocaloid):

it's fine, no need to apologize if 12 inches = 1 foot, then we know that we can divide inches by 12 to get feet 240/12 = ? feet

OpenStudy (anonymous):

20

Vocaloid (vocaloid):

right, 20 feet

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