Answer:
Step-by-step explanation:
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Answer:
if you need hlep with any thing we can do a zoom if you now how to set it up.
Step-by-step explanation:
When will he have less than 40 wheels left? Well you can make the equation...
85-4x=40
And then solve for x.
85-4x=40
-4x=-45
x=11 1/4 rounded up to 12
answer: He will have less than 40 wheels left after he has built 12 cars.
d ( f o c) / dt = 9
( solution is attached below)