B - 7x = a - b
Subtract b from both sides.
-7x = a - 2b
Divide both sides by -7.
x = 
Best Answer:<span> </span><span>694 m = 0.694 km
1hr = 3600 s
3600 × 0.694 = 2498.4 km/h</span>
I’m 90% sure that the answer is 36x
The two sizes chosen for this item are a quart and one gallon.
The first one is advantageous because when it is desired that this be brought some place, it will not be very bulky and not heavy because among the given, this is the smallest. Also, one gallon can be chosen because it does serve many people at a relatively lower price than the other given.
