Sagot :
Answer:
B.
Step-by-step explanation:
12 copies = 1 minute
In 5 mins = 60
In 10 mins = 120
In 15 mins = 180
In 20 mins = 240
Operation used: Multiplication
[tex]12 \times 5 = 60[/tex]
[tex]12 \times 10 = 120[/tex]
[tex]12 \times 15 = 180[/tex]
[tex]12 \times 20 = 240[/tex]
12 12 12 12
× 5 × 10 × 15 × 20
------- -------- ------- --------
60 120 60 240
+ 12
---------
180
Hope this helps