Answer:
third and the first one
Step-by-step explanation:
Answer and Step-by-step explanation:
Let's try to add these two mixed numbers together. We have
and
.
First, add the nonfractional parts together:
1 + 2 = 3
Now add the fractional parts. Because 3/10 and 5/10 already have a common denominator (10), we can simply add the numerators together:

Add 8/10 to our whole number 3:
3 + 8/10 = 
Clearly,
≠ 5, which is why 1 3/10 + 2 5/10 ≠ 5.
Hope this helps!
Answer:
25%
Step-by-step explanation:
There are 8 slices in the spinny thingy.
There are 2 A's
= 25%
Step-by-step explanation:
X-1/X=3
X-1=3×X
X-1=3X
-3X+X=1
-2X=1
X=1/2 Answer
Answer: B = 64
Step-by-step explanation:
To find B, we need to perform reverse operations. First, add 1 back to 15, which gives us 16. 16*4=64, which means that B must be equal to 64.