1. **State the problem:**
We have a rectangle with length 35 feet and width $w$ feet. The area must be at least 420 square feet, and the perimeter must be no more than 125 feet.
2. **Part (a): Could $w=30$ feet?**
- Area check: $35 \times 30 = 1050$ which is greater than 420, so area condition is satisfied.
- Perimeter check: $2 \times (35 + 30) = 2 \times 65 = 130$ which is greater than 125, so perimeter condition is NOT satisfied.
- **Answer:** No, $w=30$ feet is not possible because the perimeter exceeds 125 feet.
3. **Part (b): Area inequality and solution**
- Area formula: $\text{Area} = 35 \times w$
- Inequality: $$35w \geq 420$$
- Solve for $w$:
$$w \geq \frac{420}{35}$$
$$w \geq 12$$
4. **Part (c): Perimeter inequality and solution**
- Perimeter formula: $$P = 2(35 + w)$$
- Inequality: $$2(35 + w) \leq 125$$
- Divide both sides by 2:
$$\cancel{2}(35 + w) \leq \frac{125}{\cancel{2}}$$
$$35 + w \leq 62.5$$
- Solve for $w$:
$$w \leq 62.5 - 35$$
$$w \leq 27.5$$
5. **Part (d): Values of $w$ satisfying both inequalities**
- From (b): $w \geq 12$
- From (c): $w \leq 27.5$
- Combined solution:
$$12 \leq w \leq 27.5$$
- Example values: $w=15$, $w=20$, $w=27$ all satisfy both conditions.
**Final answers:**
- (a) No, $w=30$ is not possible because perimeter exceeds 125 feet.
- (b) $w \geq 12$
- (c) $w \leq 27.5$
- (d) $12 \leq w \leq 27.5$
Rectangle Inequalities 91B4A8
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