Answer:
2.45 gallons of gasoline were in the tank before.
Step-by-step explanation:
Consider the provided information.
The tank can hold
gallons of gasoline when completely full. He had some gas in the tank and added 10.3 gallons of gasoline to fill it completely.
We need to find: How many gallons of gasoline were in the tank before Javier added some?
For this, we need to subtract added gallons of gasoline from the capacity of the tank.



Hence, 2.45 gallons of gasoline were in the tank before.
Answer:
so this is trapezoid
Step-by-step explanation:
the missing length would be the height means "a"
Medical bill = $8,440
Deductible = $400
Coinsurance plan = Medical policy 80% of all expenses above $400
Amount to pay = 400+ (8440-400)*20/100 = 400+1608 = $2,008