Answer:

Step-by-step explanation:
Given



Required
Determine an equation to find number of seats
Let the number of seats in each car be represented by n;
If 
Then:


This implies that there are 4n total seats
Solving further:

Substitute values for the above parameters:


Reorder
---- This equation can be used to solve for n
Answer:
I is the 3rd answer
Step-by-step explanation:
Let's solve for y.<span>6=<span><span>4x</span>+<span>9y</span></span></span>Step 1: Flip the equation.<span><span><span>4x</span>+<span>9y</span></span>=6</span>Step 2: Add -4x to both sides.<span><span><span><span>4x</span>+<span>9y</span></span>+<span>−<span>4x</span></span></span>=<span>6+<span>−<span>4x</span></span></span></span><span><span>9y</span>=<span><span>−<span>4x</span></span>+6</span></span>Step 3: Divide both sides by 9.<span><span><span>9y</span>9</span>=<span><span><span>−<span>4x</span></span>+6</span>9</span></span><span>y=<span><span><span><span>−4</span>9</span>x</span>+<span>2<span>3</span></span></span></span>
Answer:
Id
I forget
Step-by-step explanation: