A stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. How long are the two piece
2 answers:
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Answer: C, D
<u>Explanation:</u>
Length: L = x + 3
width: x ≥ y + 2 ⇒ y ≤ x - 2
wheels: y
0.50(L * x) + 4(2.25y) ≤ 50
0.50(x + 3)(x) + 4(2.25y) ≤ 50
0.50(x² + 3x) + 9y ≤ 50
9y ≤ 50 - 0.50(x² + 3x)
<u>9y</u> ≤ <u>50 - 0.50x² - 1.5x</u>
÷9 ÷9
y ≤
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15 per person is the rate
22 is the constant
y = 15x + 22
<em>divide that by the number of people (x) to get:</em>
y =