Understanding Lily's Age Problem

If Lily's brother is 10 years old, how old is Lily?

• 8 years old

• 12 years old

• 10 years old

• 7 years old

What equation represents the relationship between Lily's age and her brother's age?

• Y = X / 2

• Y = 2X

• Y = X - 2

• Y = X + 2

When Lily's brother is 4 years old, what is Lily's age according to the table?

• 3 years old

• 2 years old

• 1 year old

• 5 years old

What does the X-axis represent in the graph of Lily's age problem?

• Lily's brother's age

• The sum of their ages

• The difference in their ages

• Lily's age

How do you plot the point for when Lily's brother is 3 years old?

• Move 3 places right and 1 place up

• Move 3 places right and 2 places up

• Move 2 places right and 3 places up

• Move 1 place right and 3 places up