Question

What is the reciprocal of 15?

Answer 1

1/15

Answer 2

so how would you do it?

Answer 3

reciprocal essentially means "flip the ratio"

that is, if you have a ratio like 1:15, flip it to 15:1

in other words, 1 part in 15 changed to 15 parts in 1

Answer 4

\[\frac{ 15 }{ 1 } Just flip \it. Basically\]

Answer 5

remember a fraction is just a ratio

Answer 6

you just flip the fraction over.
15 is the same as 15/1...flip it...and you get the reciprocal 1/15

Answer 7

Reciprocals are two numbers whose product is 1 so that means that 15(the reciprocal of 15) = 1or:
\[15r = 1\]

Answer 8

Solve for r

Answer 9

ok I got it