Step-by-step explanation:
1/2(6x+1/2)=0
3x+1/4=0
3X=-1/4
X=3(-1/4)
X=-3/4
OR
X=-.75
his score was increased... so if he is now at 67 and it was increased by 7 so his first grade would have been 60.
167+57 written in base ten method
2 1/6 divided by 7/10
13/6 / 7/10 =
13/6 * 10/7 =
130/42 =
3 4/42. or 3 2/21 hours... three and two twenty-firsts
