In the last race , the first car in the pit used 1 3/4 tanks of gas, the second car used 2 1/8 and the third car used 1 1/2 tanks of gas. what was the total positive or negitive change in the amount of gas for all three cars

tanks of gas

Step-by-step explanation:

Let the x be the number of tanks of gas, then

The amount of gas used by first car=

The amount of gas used by second car=

The amount of gas used by third car=

Thus, the total change in the amount of gas for all three cars=

Since, the amount of gas tanks of gas is used for all three cars.

Therefore, the total amount would be negative .

hence, the answer is   tanks of gas.

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

32/80  

91/140

the last one 54 doesn't go into 45. 54/100 ?

step-by-step explanation: