Eric's car has a gas tank that holds 21 liters. If Eric used up 2 decaliters of gas, how many liters of gas does he have left in the tank?
Mathematics
untiedballoon
Question
Eric's car has a gas tank that holds 21 liters. If Eric used up 2 decaliters of gas, how many liters of gas does he have left in the tank?
2 Answer

1. User Answers lolziekween
2 decaliters is equal to 20 liters. 2120=1. 
2. User Answers JannetPalos
Capacity of the gas tank = 21 liters.
Amount of gas used by Eric = 2 decaliters
= 2 × 10
= 20 liters
To find the amount of gas left in the tank, we have to subtract 20 from 21.
So, amount of gas left in the tank = 21  20
= 1 liter.