A rectangle has an area of 42 cm²; the length is 7 cm. Find its width.
1 answer:
You might be interested in
Answer:
500
Step-by-step explanation:
Given: P = 150 - T where P is passenger cars and T is trucks
10P = 7T ⇔ P =
Plug in equation 2 into equation 1:
= 150 - T
Solving for T, we get 500
Differentiating once, we have
Differentiating again,
as needed.
Differentiating again,
as needed.