First we count how many hours is inbetween 8 and 3 which is 7
then subtract 10 for the first time
6:50 then add 45 for the second time
7:35
round down so she worked 7 1/2 hours
Answer:
281
Step-by-step explanation:
8 + 7(42–3) =
= 8 + 7(39)
= 8 + 273
= 281
Answer:
x= -1
-1 =4
Step-by-step explanation:
The answer is: if x represents the number of pencils per box, solve the equation 8x+4=196
C. The way the sample was chosen may overrepresent or underrepresent students taking certain language classes.
The samples he chose may not be a representative sample because the number of students per foreign language class may not be the same. Since classes have different numbers of students, one may have a very large number of students while another may have only a few. Taking equal number of students per class is not a representative sample because it doesn't represent the students correctly.