Solve the proportion: 1/8=7/2h
2007-10-28 17:32:45 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
[16]
1/8=7/2h
By cross-multiplication
2h*1=8*7
h=56/2=28
2007-10-28 17:37:44 · answer #1 · answered by alpha 7 · 1⤊ 0⤋
1 has to be proportional to 7 and 8 has to be proportional to 2h. Since you have to multiply 1 with 7 to get 7, you must multiply 8 with 7 to get 2h.
So you solve this equation: 8*7=2h
8*7=2h
56=2h
28=h
Therefore, 1/8=7/2(28).
Hope that helps!
2007-10-29 00:45:08 · answer #2 · answered by Tears Behind the Smile 2 · 0⤊ 0⤋
1/8=7/2h
2h = 56
h = 56/2 = 28
2007-10-29 00:56:17 · answer #3 · answered by Shreya S 3 · 0⤊ 0⤋
1/8 = 7/2h
using cross multiplication, u will get
2h = 56
h = 28
Happy Mathematic'ing
2007-10-29 01:08:38 · answer #4 · answered by ZenZen 2 · 0⤊ 0⤋
2h=58
h=29
2007-10-29 00:36:28 · answer #5 · answered by iyiogrenci 6 · 0⤊ 1⤋