Answer: 30/45=6/9
30 6
___=___
45 a
cross multiply
30a=270
divide both sides by 30
a=9
5.Answer=A
2 1/5=2 2/10
2 2/10+1 1/10=3 3/10
______________
Answer=-1
3/-5+(-4/10)=
3/-5-0.4
-0.6-0.4=-1
Answer:
B
Step-by-step explanation:
the equal is correctly
3x + 1 = 2x + 4
what was done now :
2 x-blocks (2x) subtracted from the right side, and 1 numbered block subtracted from the left side.
to reestablish balance and equality of both sides, we need to do more the exact same things - just in the other sides.
2 x-blocks subtracted from the LEFT side, and 1 numbered block subtracted from the RIGHT side.
and that is answer B.
I think the value of w would be 9
