Question

Will give medal and a fan!!!
How many 1/8's make 3/2?

Answer 1

Please help

Answer 2

well ... \[n*\frac{1}{8}=\frac32\]
solve for n

Answer 3

11/5?

Answer 4

how would you solve for n?

Answer 5

I dont know thats why i need help

Answer 6

do you agree that 8/8=1?

Answer 7

yes

Answer 8

then lets multiply both side by 8

\[n*\frac 88 = 8*\frac 32\]
\[n= \frac {8*3}2\]
and simplify

Answer 9

16 1/2?

Answer 10

you might need to brush up on your multiplication and division skills

Answer 11

I agree with this approach.
Another approach would be to simply DIVIDE 3/2 by the fraction 1/8.
Remember, when we divide a quantity by a fraction, we invert the fraction and multiply:\[\frac{ \frac{ 3 }{ 2 } }{ \frac{ 1 }{ 8 }}=\frac{ 3 }{ 2 }*\frac{ 8 }{ 1 }=?\]

Answer 12

Oops i thought that said 8 x 8

Answer 13

:) even 64/2 is not 16 1/2

Answer 14

is it 12?

Answer 15

Like is the answer 12?

Answer 16

'we invert and multiply' is one of those methods (memory devices) that look good but which i feel add to the burden of simply not working the math ... like FOIL.

I tend to prefer to multiply by a useful form of 1
\[\large \cfrac{ \frac{ 3 }{ 2 } }{ \frac{ 1 }{ 8 }}\]
\[\large \cfrac{ \frac{ 3 }{ 2 } }{ \frac{ 1 }{ 8 }}\cfrac{ \frac{ 8 }{ 1 } }{ \frac{ 8 }{ 1 }}\]
\[\large \cfrac{ \frac{ 3 }{ 2 }\frac{ 8 }{ 1 } }{ \frac{ 8 }{ 8 }}\]
\[\large \cfrac{ \frac{ 3 }{ 2 }\frac{ 8 }{ 1 } }{1}\]
\[ \frac{ 3 }{ 2 }\frac{ 8 }{ 1 } \]
not that flip and multiply is bad advice, just seems like a memory device to me

Answer 17

12 is good to me yes; half of 24

Answer 18

it is 12

Answer 19

Thank you so much @amistre64 and @kelliegirl33 and @mathmale!!

Answer 20

i spose i should get to work and put all these labels on all those envelopes .... gotta love a desk job

Answer 21

good luck ;)

Answer 22

12