Answer:
Amina practices the piano for 54 minutes each week.
Step-by-step explanation:
45% * 120min = 0.45 * 120min = 9/20 * 120min = 9 * 6min = 54min
Answer: 123/8.50
Step-by-step explanation:
Answer:
C. All mathematics teachers who have taken one or more courses in statistics
Answer: D) 968
Step-by-step explanation:
48 x 24 = 1152 (total pencils)
8 x 23 = 184 (total pencils given to all 23 students)
1152 - 184 = 968 (extra pencils)
Answer: because there are different methods to it and different solutions.
Step-by-step explanation: