Answer:
C
Step-by-step explanation:
Answer:
Step-by-step explanation:
Estimating a sum by rounding to get the best estimate is the goal of this lesson. Notice that we try to estimate. We don't need to have an exact answer!
Notice that for numbers with two digits, there can only be one estimate because you can only round to the tens place.
Estimate the following sums: 36 + 21, 74 + 15, and 85 + 24
36 + 21 = 40 + 20 = 60
74 + 15 = 70 + 20 = 90
Answer: (2, 18)
Step-by-step explanation:
When x=2, 
.
So, it should pass through (2, 18).
I think the answer its 1.8 percent because if you subtract 15-13.2 comes out to be 1.8.
Answer:
3x
Step-by-step explanation:
