Answer:
4/10 is the same as 40/100
there fore 4/10+40/100=40/100+40/100=
80/100
hope it helps :)
Answer:
.
Step-by-step explanation:

= 
= 
= 
=
.
Hope this helps!
Answer:
52
Step-by-step explanation:
Answer: 178.31
Step-by-step explanation: subtract 574.54 by 396.23
<span>45(v−7)=2
45v - 315 = 2
45v = 317
v = 317/45
v = 7 2/45 (7 and 2/45)</span>