horsegal244
  • horsegal244
Question Below Please help i don't have much time...
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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horsegal244
  • horsegal244
horsegal244
  • horsegal244
@pooja195
horsegal244
  • horsegal244
@Luigi0210

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horsegal244
  • horsegal244
@phi
phi
  • phi
you did part A in the other post.
horsegal244
  • horsegal244
120/25 = 4.8
phi
  • phi
yes A, is 4.8 inches for part B, can you write the ratios? give it a try.
horsegal244
  • horsegal244
huh?
phi
  • phi
can you re-read the other post, and try to do that for part B ?
horsegal244
  • horsegal244
I can't by myself its a completely different question...
phi
  • phi
not completely different. first, from the first sentence in the problem you should get this: 2 inches is to 25 miles
horsegal244
  • horsegal244
\[\frac{ 2 }{ 25 }\]
phi
  • phi
in part B, it asks about 1/4 of an inch is how many miles write 1/4 inch is to x
horsegal244
  • horsegal244
\[\frac{ }{ 1/4 }\]
phi
  • phi
almost. but the first ratio you wrote was 2 inches / 25 miles notice we have inches up top and miles in the bottom when you write 1/4 inches is to x miles, we want inches up top and miles in the bottom
horsegal244
  • horsegal244
\[\frac{ 1/4 }{ x }\]
phi
  • phi
yes. with ratios, we set them equal to each other \[ \frac{2}{25}= \frac{1/4}{x} \] the "x miles" is in the bottom (as it should be), but it would be nicer if it were up top we can do that *if we flip* both sides
phi
  • phi
\[ \frac{25}{2} = \frac{x}{1/4} \]
horsegal244
  • horsegal244
ok
horsegal244
  • horsegal244
now what
phi
  • phi
it still looks a bit ugly, but we can "get rid of 1/4" by multiply top and bottom by 4
phi
  • phi
in other words we do \[ \frac{x\cdot 4}{\frac{1}{4} \cdot 4} \]
phi
  • phi
1/4 * 4 in the bottom simplifies to 1
horsegal244
  • horsegal244
x/1
phi
  • phi
I hope you mean 4x/1
horsegal244
  • horsegal244
yea
phi
  • phi
\[ \frac{25}{2} = \frac{x}{1/4} \\ \frac{25}{2} =4x\] I would divide both sides by 4 (to get x by itself)
horsegal244
  • horsegal244
6.25 and .5
horsegal244
  • horsegal244
@phi
phi
  • phi
25/2 is 12.5 so you have 12.5 = 4x or 4x= 12.5 then divide both sides by 4 4x/4 = 12.5/4 x= 12.5/4
horsegal244
  • horsegal244
ok so what would i put in the box
horsegal244
  • horsegal244
12.5/4?
phi
  • phi
I think they want you to first simplify that
horsegal244
  • horsegal244
3.25
horsegal244
  • horsegal244
@phi
phi
  • phi
close. is you calculator broken?
horsegal244
  • horsegal244
idk oh 3.125
phi
  • phi
yes, that looks good.
horsegal244
  • horsegal244
ok that is what i put in the box?
phi
  • phi
for part B
horsegal244
  • horsegal244
2 more?

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