Answer:
3½÷7=½ liters
Step-by-step explanation:
Change 3½ into a improper fraction.
3½=7/2
7/2÷7=
keep change flip
7/2×1/7=½
Answer:
About 5 hours
Step-by-step explanation:
Hope it helps
Standard form : Ax + By = C
12y = 9x - 30
-9x + 12y = -30 ....some teachers accept this, with A being negative
but if not, then it is this :
9x - 12y = 30