91Ó°ÊÓ

Solve the inequality. Graph your solution.

$24â‰\yen 5z−6$

Yor class has raised \(755 for a hunger relief organization. The organization provides farm animals that people can use to produce food. Your class plans to buy animals for a family recovering from an earthquake.

1. One heifer cost \)500 and each flock of chick’s costs \(20. If your class buys one heifer, how many flocks of chicks can your class buy?
2. Your class can also buy pigs for \)120 each. If your class buys a heifer for $500, how many pigs can your class buy?
3. If your class decides to buy the heifer and pigs as describes in part b, does your class have enough money to also buy a flock of chicks? Explain your reasoning.

Solve the equation. Check your solution.

$\mathbf{54}\mathbf{.}\mathbf{7}\mathbf{=}\mathbf{-}\mathbf{9}\mathbf{.}\mathbf{3}\mathbf{n}\mathbf{+}\mathbf{8}\mathbf{.}\mathbf{2}$

Solve the inequality. Graph your solution.

$\frac{\mathbf{x}\mathbf{+}\mathbf{5}}{\mathbf{3}}≤\mathbf{2}$

Solve the inequality. Graph your solution.

$h+19≤15$

Describe and correct the error in solving the inequality $9x>-45$.

Solve the equation. Check your solution.$\mathbf{-}\mathbf{5}\mathbf{g}\mathbf{-}(\mathbf{8}\mathbf{-}\mathbf{g})\mathbf{=}\mathbf{12}$

Find the perimeter of the square.

Solve the inequality. Graph your solution.

$8>2+\frac{b}{3}$

Solve the equation. Check your solution.

$\mathbf{-}\mathbf{5}\mathbf{.}\mathbf{7}\mathbf{+}\mathbf{2}\mathbf{.}\mathbf{6}\mathbf{d}\mathbf{=}\mathbf{-}\mathbf{14}\mathbf{.}\mathbf{02}$