2 / 5 = 7x / (9). Solve the proportion.?

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2007-09-28 02:08:19 · 4 answers · asked by . 1 in Science & Mathematics ➔ Mathematics

2/5=7x/9 cross multiply
35x=18

2007-09-28 02:13:09 · answer #1 · answered by Anonymous · 0⤊ 0⤋

2/5=7x/(9)
so then (9)*2=5*7x
so -18=35x
-18/35=x
or -0.51

(i assume (9)=negative 9, otherwise the answer is the same but positive)

2007-09-28 09:21:14 · answer #2 · answered by B_s 2 · 0⤊ 0⤋

18 = 35 x
x = 18 / 35

2007-09-28 10:27:18 · answer #3 · answered by Como 7 · 0⤊ 0⤋

x=1.94444444444...

2007-09-28 09:10:57 · answer #4 · answered by ? 2 · 0⤊ 0⤋