2006-11-13 07:16:06 · 8 answers · asked by ls1boi 1 in Science & Mathematics ➔ Mathematics
20/16=x/12
cross multiply and divide
16x=240
x=15
2006-11-13 07:19:13 · answer #1 · answered by Anonymous · 0⤊ 0⤋
15
2006-11-13 07:23:19 · answer #2 · answered by Anonymous · 0⤊ 0⤋
15 Inches
2006-11-13 07:23:39 · answer #3 · answered by SALMON 5 · 0⤊ 0⤋
Divide the length of post by the length of shadow: 20/16= 1.25 Therefor 1.25 inches of post cast 1inch of shadow! 1.25*12=16. 15 inches of post is required!
2006-11-13 07:24:37 · answer #4 · answered by Anonymous · 0⤊ 0⤋
15 inch
2006-11-13 07:22:54 · answer #5 · answered by Anonymous · 0⤊ 0⤋
15 inches
2006-11-13 07:18:56 · answer #6 · answered by Deb 3 · 0⤊ 0⤋
20/16=x/12
x=20*12/16=15 in
2006-11-13 07:29:34 · answer #7 · answered by yupchagee 7 · 0⤊ 0⤋
20/16=x/12
x=15
2006-11-13 07:23:36 · answer #8 · answered by 7 · 0⤊ 0⤋