Answer is <span>3:5=12:20
3x4 = 12
5x4 = 20
so
</span><span>3:5=12:20</span>
80% is the same as 4/5, so 4/5 of the class= 20. That means that if there was a picture, 4 parts would be shaded, and 1 would not. 1/4 of 20 is 5, so 1 part= 5 people. 5 x 5 = 25. 25 is the answer. :)
28-4=24-7=17$
this means alan spent $17 on lunch
Simplify
4
x
−
1
2
x
+
1
2
4x−12x+12 to
−
8
x
+
1
2
−8x+1 then ya answer x=1/2
Answer:
D
All the other ones were correct sooo