algebra help please?

1 ⤊

I need to solve the equation b/4 - b/5 = 3 can anyone help? I am kinda thinking the answer is 60 but I don't really know. Thanks

2007-06-15 21:58:14 · 5 answers · asked by cardoctor61 2 in Science & Mathematics ➔ Mathematics

Yup you are right it's 60.

b/4 - b/5 = 3
b(1/4 - 1/5) = 3
b(0.05) = 3
b = 3 / 0.05 = 60

2007-06-15 22:04:59 · answer #1 · answered by Anonymous · 0⤊ 0⤋

it is 60

2007-06-16 05:02:44 · answer #2 · answered by Jemjems_Mummy 3 · 0⤊ 0⤋

(b/4 - b/5 = 3)20
b=60

2007-06-16 05:01:56 · answer #3 · answered by Tsuna 2 · 1⤊ 0⤋

X by 20
5b - 4b = 60
b = 60

2007-06-17 02:48:42 · answer #4 · answered by Como 7 · 0⤊ 0⤋

b/4 - b/5 = 3

b - 4b/5 = 12

5b - 4b = 60

b = 60

2007-06-16 05:03:54 · answer #5 · answered by รզlεսռց ☆ 6 · 0⤊ 0⤋