Answer:
1. subtract by 12 on both sides
2. Divide both sides by -8
Step-by-step explanation:
60 60 and 60. Hope I helped!
0.7hr(60min/hr)=42 min
The ration you multiplied by was 60min/hr, to cancel out the hr unit label...
<span>a+b=5,
0.1*a+0.25*b=0.2*5
a=5-b
0.1*(5-b)+0.25*b=1
0.5-0.1b+0.25*b=1
0.15*b=0.5
b=3.33333333
a=5-b
a=1.66666667 b=3.33333333</span>
Answer:
first one i believe
Step-by-step explanation: