Mathematical Problem Solving Techniques

The video tutorial covers various mathematical problems, including calculating shelf lengths, solving equations using properties of equality, comparing reading speeds, calculating stock value changes, writing compound inequalities, matching equations with solutions, determining student attendance based on budget, calculating interest rates, determining acceptable conveyor belt widths, and calculating tree purchases using systems of equations.

What is the length of the second shelf if the first shelf is 48 cm?

• 150 cm

• 114 cm

• 96 cm

• 132 cm

Which property of equality is used when combining like terms?

• Distributive Property

• Addition Property of Equality

• Subtraction Property of Equality

• Multiplication Property of Equality

If Aileen's friend reads 20 pages, how many pages can Aileen read?

• 20 pages

• 30 pages

• 25 pages

• 35 pages

What is the correct equation to find the total change in value of Jabari's shares?

• 100m - 45n

• 100m + 45n

• 100n - 45m

• 100n + 45m

What is the compound inequality for the total cost of booking a DJ and light show?

• 378 ≤ X ≤ 678

• 219 ≤ X ≤ 369

• 159 ≤ X ≤ 309

• 100 ≤ X ≤ 500

What is the solution for the equation 4x + 7 = 35?

• x = 6

• x = 8

• x = 5

• x = 7

How many students can attend the cruise if the class raised $16,600?

• 43 students

• 42 students

• 41 students

• 40 students

What interest rate did Diana earn if she invested $3,000 and earned $450 in interest over 3 years?

• 50%

• 0.5%

• 5%

• 0.05%

What is the acceptable range for the conveyor belt width?

• 49 to 51 inches

• 50 to 52 inches

• 49.25 to 50.75 inches

• 48.5 to 51.5 inches

How many Douglas Firs did the logging company buy if they purchased 850 trees in total?

• 300

• 350

• 400

• 450