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: 26
Step-by-step explanation: Add all the booths together and you will get 300. You will get 300 because the t-shirts booth is $26. Now divide 300 by how many booths there are, which is six. And your mean will be 50.
Answer:
4.50
Step-by-step explanation:
thats really easy bro just divide $13.50 by 3 and you get your answer
Answer:
-7/9 or -.77777777....
Step-by-step explanation:
Just use keep change change
keep -5/9 the same
change the - to a +
change the 2/9 to a -2/9
5+2 = 7
put over 9
make negative
