Here are the solutions to the questions provided:

Question 1

A blue whale is approximately 25 meters long. How many centimeters long is the whale?

– Calculation:
[
25 \text{ meters} \times 100 \text{ cm/meter} = 2500 \text{ cm}
]
– Correct Answer: 1. 2500 cm

Question 2

A giraffe is about 5.5 meters tall. How many centimeters tall is the giraffe?

– Calculation:
[
5.5 \text{ meters} \times 100 \text{ cm/meter} = 550 \text{ cm}
]
– Correct Answer: 1. 550 cm

Question 3

How many minutes are in 2.5 hours?

– Calculation:
[
2.5 \text{ hours} \times 60 \text{ minutes/hour} = 150 \text{ minutes}
]
– Correct Answer: 1. 150 minutes

Question 4

How many minutes are in 3.75 seconds?

– Calculation:
[
3.75 \text{ seconds} \div 60 \text{ seconds/minute} = 0.0625 \text{ minutes}
]
– Correct Answer: 1. 0.0625 minutes

Question 5

A swimming pool is filled with 850 liters of water. How many gallons of water is that?

– Conversion factor: (1 \text{ L} = 0.2642 \text{ gallons})
– Calculation:
[
850 \text{ L} \times 0.2642 \text{ gallons/L} = 224.57 \text{ gallons}
]
– Correct Answer: 224 gallons (the closest option)

Question 6

A tank holds 375 liters of liquid. How many gallons is that?

– Calculation:
[
375 \text{ L} \times 0.2642 \text{ gallons/L} = 99.45 \text{ gallons}
]
– Correct Answer: 99.45 gallons

Question 7

If you run at a speed of 10 miles per hour, how long will it take for you to cover a distance of 50 miles?

– Calculation:
[
\text{Time} = \frac{\text{Distance}}{\text{Speed}} = \frac{50 \text{ miles}}{10 \text{ miles/hour}} = 5 \text{ hours}
]
– Correct Answer: 1. 5 hours

Question 8

A cake recipe calls for 150 g of flour, but you only have a scale that measures in ounces. The recipe states that the flour makes up 30% of the total cake batter by weight. How many ounces of flour should you use?

– Conversion factor: (1 \text{ oz} = 28.3495 \text{ g})
– Calculation:

To convert grams to ounces:
[
150\text{ g} \div 28.3495\text{ g/oz} \approx 5.29\text{ oz}
]

– Correct Answer: 1. 5.29 oz

Summary of Answers

1. 2500 cm
2. 550 cm
3. 150 minutes
4. 0.0625 minutes
5. 224 gallons
6. 99.45 gallons
7. 5 hours
8. 5.29 oz