2006-12-19 10:00:54 · 7 answers · asked by Hitman 3 in Science & Mathematics ➔ Mathematics
2x/5y = 3/4
x/y = (5/2)(3/4) {multiply both sides by 5/2}
x/y = 15/8
2006-12-19 10:05:28 · answer #1 · answered by Anonymous · 0⤊ 0⤋
2x/5y = 3/4
x/y = 3*5/4*2 = 15/8
2006-12-19 13:07:34 · answer #2 · answered by Renaud 3 · 0⤊ 0⤋
All the previous answerers nailed it. Just remember that "ratio" means dividing, so all you have to do is set the ratios up as an equation and then solve for x.
Also: ratios are generally expressed as [some number]:1. Since x/y = 15/8, the ratio of x to y is 1.875 to 1.
2006-12-19 10:10:44 · answer #3 · answered by Navigator 7 · 0⤊ 0⤋
2x = 3 when 5y = 4
4*(2x) = 3*(5y)
8x = 15y
Divide by 8y and
x/y = 15/8
Ratio = 15:8
2006-12-19 10:04:47 · answer #4 · answered by Tom :: Athier than Thou 6 · 0⤊ 0⤋
(2x)/5y) = 3/4
(2x)/5y)(5/2) = (3/4)(5/2)
x/y = 15/8
2006-12-19 10:09:55 · answer #5 · answered by Helmut 7 · 0⤊ 0⤋
15/8
2x  3      5
---- = --- => multiply both sides by ---
5y  4      2
2x (5)  3 (5)   x    15
-------- = ----- => ---- = -------
5y (2)  4 (2)   y    8
2006-12-19 10:04:04 · answer #6 · answered by TG 2 · 0⤊ 0⤋
2x/5y=3/4
x/y=(3/4)(5/2)
=15/8
x:y::15:8
2006-12-19 10:04:15 · answer #7 · answered by raj 7 · 0⤊ 0⤋