Answer:
Some students were asked how many books they were carrying in their backpacks. The data is given in this frequency table. What is the mean number of pens carried by these students in their backpacks?
Pens Frequency
0 4
1 5
2 8
3 4
4 3
5 1
A.2
B.3.5
C.4
D.5.5
Answer:
Opt A and D
Step-by-step explanation:
65% is 100 based number, this means that 65% is the same as 65/100, or 0,65.
65% of 20 is obtained performing the following operation:
0,65 * 20
or
65*20/100
Any of them
Answer:
Each car takes about 9 minutes to be washed.
