Growth and Profit Word Problems

The video tutorial covers problem-solving techniques involving rational numbers. It includes calculating temperature changes with altitude, determining plant growth over weeks, computing bonuses after deductions, calculating profits from a carnival game, and assessing weight changes in hedgehogs during hibernation. Each problem is solved step-by-step, demonstrating the use of mathematical operations such as multiplication, division, and fractions.

If an airplane climbs to 15,000 feet, what would be the temperature drop if the rate is 1.1 degrees per 1,000 feet?

• 16.5 degrees

• 15.0 degrees

• 11.0 degrees

• 13.2 degrees

If the temperature on the ground is 70 degrees, what will it be at 10,000 feet with a 1.1 degree drop per 1,000 feet?

• 57.9 degrees

• 58.9 degrees

• 59.0 degrees

• 60.0 degrees

How many weeks and days will it take for a plant to grow 8 and 1/6 inches if it grows 1 and 1/6 inches per week?

• 5 weeks and 3 days

• 6 weeks and 2 days

• 7 weeks and 1 day

• 6 weeks and 5 days

How many days will it take for a plant to grow 10 inches if it grows 1 and 1/6 inches per week?

• 9 weeks and 2 days

• 8 weeks and 4 days

• 8 weeks and 2 days

• 7 weeks and 5 days

What is Brianna's bonus if she receives 20 complaints in a year?

• $115

• $95

• $125

• $105

If Brianna had 5 complaints, what would her bonus be?

• $140.00

• $145.00

• $137.50

• $142.50

If Marcelo played 10 games, spending 3 tokens and winning 7 tokens each time, what is his total profit in tokens?

• 40 tokens

• 30 tokens

• 20 tokens

• 50 tokens

What is the total token profit if Marcelo played 8 games, spending 3 tokens and winning 7 tokens each time?

• 36 tokens

• 28 tokens

• 32 tokens

• 24 tokens

What is the weight change per day for a hedgehog if it loses 0.24 ounces over 8 days?

• 0.05 ounces

• 0.04 ounces

• 0.02 ounces

• 0.03 ounces

How much weight will a hedgehog lose in 200 days if the daily weight change is -0.03 ounces?

• 4.00 ounces

• 7.00 ounces

• 5.00 ounces

• 6.00 ounces