Guided practice activity

[b]Scenario 2[/b][br][br][i]A man is 3 times as old as his son. In 10 years, his age will be less than[br]twice his son's age. How old is the son now? [br][br] Let x be the present age of the son[/i]

[math]3x+10<2\left(x+10\right)[/math] [math]3x+10<[/math] [math]2x[/math] [math]3x+10<2x+10[/math] [math]3\left(x+10\right)<2\left(x+10\right)[/math]

Scenario 2[br]How old is the son now?

At present, the son is no more than 10 years old. At present, the son is at least 10 years old. The son is currently less than 10 years old. The son is currently less than 20 years old.

Graph the solutions of Scenario 2. Type the inequality in the yellow tab below.

[b]Scenario 3[br][/b][i]Ice has cats and birds in the total of 24. When she counted the legs of these two pets together, she got the number not less than 60 legs. Find the minimum number of cats and birds.[br][br] Let x be the number of cats [br][/i][br][br]

[math]4x+24-x\ge60[/math] [math]4x+2\left(24-x\right)\ge60[/math] [math]2x+4\left(24-x\right)\ge60[/math] [math]x+\left(24-x\right)\le60[/math]

Scenario 3[br][br]What is the minimum number of cats that Ice could have?

Ice must have no more than 6 cats Ice must have at least 6 cats. Ice must have more than 6 cats. Ice must have less than 6 cats.

Graph the solutions of scenario 3. Type the inequality in the yellow tab below.

Scenario 3[br]What is the maximum number of birds that Ice could have?

Ice must have more than 18 birds. Ice must have no more than 18 birds. Ice must have less than 18 birds. Ice must have at least 18 birds.

Guided practice activity

Graph the solutions of Scenario 2. Type the inequality in the yellow tab below.

Graph the solutions of scenario 3. Type the inequality in the yellow tab below.

Information: Guided practice activity