2006-09-17 13:55:36 · 6 answers · asked by oldyeler59 2 in Education & Reference ➔ Homework Help
t = 4 over 21?
2006-09-17 13:59:20 · answer #1 · answered by lildevilgurl152004 7 · 0⤊ 0⤋
t=(9 x 12)/7
2006-09-17 20:59:23 · answer #2 · answered by ArgumentativeButNotInsulting 4 · 0⤊ 0⤋
t/4 + t/3 =9
multiply everything by 12 to get
3t + 4t = 108
7t = 108
7t/7 = 108/7
t= 15 3/7
2006-09-17 21:00:15 · answer #3 · answered by ♪ ♫ ☮ NYbron ☮ ♪ ♫ 6 · 1⤊ 0⤋
t=54
2006-09-17 21:04:37 · answer #4 · answered by Spooky 3 · 0⤊ 0⤋
(t/4)+(t/3)=9
try this
(3t/12)+(4t/12)=9
i just made the fractions have the same denominator
so you have
(3t+4t)/12=9
12(3t+4t)/12=9(12)
7t=108
t=108/7
2006-09-17 21:04:08 · answer #5 · answered by hugtheplag 2 · 0⤊ 0⤋
(3t+4t)
--------- = 9
12
7t=108
--- -----
7 7
108
t= -----
7
2006-09-17 21:06:19 · answer #6 · answered by anonymous random guy 3 · 0⤊ 0⤋