Answer:
1 unit and 6 units
2 units and 5 units
3 units and 4 units
Step-by-step explanation:
She spent 8 1/6 hours studying
this just wants us to calculate 4/5-1/3
make common denom
4/5 times 3/3=12/15
1/3 times 5/5=5/15
4/5-1/3=12/15-5/15=(12-5)/15=7/15
7/15lb is left
.67
Step-by-step explanation6 divided by 9