Age and Speed Problem Solving

The video tutorial covers lesson 9 on using if-then moves in solving equations. It includes practical examples such as calculating practice hours for Heather and Jake, determining race distances and times for Fred and Sam, and solving an age problem for Barney and Shelby. The tutorial emphasizes the use of algebraic methods and provides tips on effective note-taking.

What is the main focus of Lesson 9?

• Using if-then moves in solving equations

• Introduction to algebra

• Basic arithmetic operations

• Geometry and shapes

How many hours per day does Heather practice soccer?

• 4 hours

• 3 hours

• 2 hours

• 1 hour

In Jake's practice schedule, how many total hours does he practice piano over five days?

• 2 hours

• 15 hours

• 5 hours

• 10 hours

What is the rate of Fred's biking speed in miles per hour?

• 9 miles per hour

• 7 miles per hour

• 6 miles per hour

• 8 miles per hour

How many hours does it take Fred to complete his leg of the race?

• 18 hours

• 14 hours

• 12 hours

• 16 hours

What is the total distance Fred covers in the race?

• 120 miles

• 100 miles

• 110 miles

• 112 miles

How many hours does Sam spend on his leg of the race?

• 8.55 hours

• 6.55 hours

• 5.55 hours

• 7.55 hours

In the age problem, how many times older is Shelby compared to Bonnie?

• 8 times

• 5 times

• 6 times

• 7 times

What is the sum of Bonnie and Shelby's ages in 5 years?

• 90

• 98

• 95

• 100

What is Bonnie's current age?

• 12 years

• 10 years

• 13 years

• 11 years