Question

Will Medal and Fan! Please Help


45 (divided by) (-1/5)

A.
–9

B.
–225

C.
225

D.
9

Answer 1

just do what they asked you
\[\frac{45}{\frac{-1 ~~}{5}}\]

Answer 2

i dont understand how to

Answer 3

Wait I just tried it and got -9

Answer 4

hmm what do you do if you have something like
\[\frac{a}{\frac{b}{c}}\]

Answer 5

divide b and c by a?

Answer 6

hmm how did you get -9?

Answer 7

I divided.

Answer 8

do you know that dividing by a number is the same as multiplying with the reciprocal?

Answer 9

that was wrong

Answer 10

what is the reciprocal of -1/5?

Answer 11

-5/1 I think?

Answer 12

yes! no multiply that by 45

Answer 13

now*

Answer 14

i got -225

Answer 15

sounds good

Answer 16

whenever you have \[\frac{a}{\frac{b}{c}}\]
you can rewrite is like \[a\times \frac{c}{b}\]
those are equivalent

Answer 17

Thank you so much! I appreciate that a lot :)

Answer 18

no problem