Answer:
12
Step-by-step explanation:
60÷100=0.6 0.6x20=12
Therefore the sports shop has 12 part-time employees
Numerical expression:
2 * 8 - 4 or 12
Good luck :)
Answer:
6. B) 115
7. B) 180 - (180 - 90 + 30) = x
Step-by-step explanation:
Mean = (14 + 16 + 7 + 9 + 11 + 13 + 8 + 10) ÷ 8 = 11
Variance =
[ (14-11)²+(16-11)²+(7-11)²+(9-11)²+(11-11)²+(13-11)²+(8-11)²+(10-11)² ]/7 = 9.71
Answer: 9.71
With two employee shifts, each will work 12 hours (2 x 12)
With three employee shifts, each will work 8 hours (3 x 8)
With four employee shifts, each will work 6 hours (4 x 6)
With six employee shifts, each will work 4 hours ( 6 x 4)
With twelve employees shifts, each will work 2 hours ( 12 x 2)