Mrs.Kennedy can divide 315 by 10 and then when she gets her answer she can round up to get her answer.
Answer:
13k
Step-by-step explanation:
Given: 
Finding the equivalent expression.
We know the rule of addition is that adding two positive integers will give positive result or sum.
Now, lets find the equivalent expression of
.
∴ 
Hence, the required equivalent expression is 13k.
Answer:
41 + 2y = 71
2y = 30
y = 15
Step-by-step explanation:
i believe that is right, if not sorry
Answer:
38.62
Step-by-step explanation:
You can figure this out by converting these to a positive number, then subtracting the lower number from the higher number.