Answer:
They had 1,352 marbles all together, rounded to the nearest hundred, 1,400.
Step-by-step explanation:
All we have to do is add the number of marbles they collected.
510 + 842 = 1,352
1,352 rounded to the nearest hundred is 1,400.
The answers are:
9:D
10:C
0
Have a good day! (or night, depending when u see this)
Answer:
the answer is in the picture below
Step-by-step explanation:
Answer:
Robert would have needed 259 point to increase his average to 211.
Step-by-step explanation:
Averages are described by the following equations:
Initial average:


Real average:








Expected average:





Robert would have needed 259 point to increase his average to 211.