# math

posted by
**sandra** on
.

hector music teacher requires 450 min of practice each month. Hector practiced 239 min the first three weeks this month. Estimate how many minutes he has left to practice.

posted by
**sandra** on
.

hector music teacher requires 450 min of practice each month. Hector practiced 239 min the first three weeks this month. Estimate how many minutes he has left to practice.