literal pre-algebra equation help?

0 ⤊

literal pre-algebra equation help?

how do i do:

solve for r:
D=rt

thanks!

2006-12-12 14:21:12 · 3 answers · asked by kitty 3 in Science & Mathematics ➔ Mathematics

3 answers

r is being multiplied by t, so you have to apply the inverse operation: dividing by t. Do this to both sides:
D = rt
D / t = rt / t
D / t = r

so r = D/t.

2006-12-12 14:23:56 · answer #1 · answered by Scarlet Manuka 7 · 0⤊ 0⤋

Divide both sides by t:

rt=D
rt/t=D/t
r=D/t

2006-12-12 22:27:15 · answer #2 · answered by Egghead 4 · 0⤊ 0⤋

r = D/t ? It can't be that easy

2006-12-12 22:24:55 · answer #3 · answered by Jay 2 · 0⤊ 0⤋