2007-08-02 15:39:11 · 11 answers · asked by Jeff M 1 in Science & Mathematics ➔ Mathematics
75= 5y
y=15
2007-08-02 15:41:59 · answer #1 · answered by Anonymous · 2⤊ 0⤋
80 = 3y + 2y + 4 + 1
80-1-4=5y
75=5y
therefore
y=15
2007-08-02 22:46:00 · answer #2 · answered by yenchin 2 · 0⤊ 0⤋
80 = 3y + 2y + 4 + 1
80 = 5y + 5
75 = 5y
15 = y
2007-08-02 22:42:41 · answer #3 · answered by nona 3 · 1⤊ 0⤋
80 = 3y + 2y + 4 + 1
80 = 5y +5
75 = 5y
15 = y
2007-08-02 22:42:33 · answer #4 · answered by ironduke8159 7 · 2⤊ 0⤋
3y + 2y + 4 +1 = 80
5y + 5 = 80
80 - 5 = 75
5y = 75 divide by 5
= 15
2007-08-02 23:42:04 · answer #5 · answered by wen 2 · 0⤊ 0⤋
3y + 2y + 4 +1 = 80
5y + 5 = 80
80 - 5 = 75
5y = 75 divide by 5
= 15
2007-08-02 23:00:18 · answer #6 · answered by Brock 3 · 0⤊ 0⤋
80=3y+2y+4+1
80=5y+5
75=5y
15=y
2007-08-02 22:43:15 · answer #7 · answered by mira 4 · 1⤊ 0⤋
80=3y+2y+4+1
80=5y+5
80-5=5y
75=5y
75/5=15
y=15
2007-08-02 22:43:27 · answer #8 · answered by Contained L♥ve 2 · 0⤊ 0⤋
80=5y+4+1
80=5y+5
75=5y
y=15
2007-08-02 22:41:43 · answer #9 · answered by Dill 4 · 1⤊ 0⤋
80=5y+5
by dividing 5 all over, we get,
16=y+1
therefore,
y=15
2007-08-02 22:43:25 · answer #10 · answered by Dale rocks 5 · 0⤊ 0⤋