Four runners complete a 10,000 meter race.
If 1 mile = 1,609.34 meters, which of the following is the combined distance the four runners traveled?
(If necessary, round to the nearest hundredth.)
1.55 miles
6.21 miles
24.85 miles
10.21 miles
Correct Answer : C
Step 1: Convert the race distance to miles
Each runner runs 10,000 meters.
Using the conversion:
1 mile=1609.34 meters
Convert meters to miles:
10,0001609.34≈6.21
So one runner runs:
6.21 miles
Step 2: Find the total distance for 4 runners
6.21×4=24.84
Step 3: Round to the nearest hundredth
24.84≈24.85
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Related Questions
Correct Answer is B
Explanation
Step 1: Convert the fractions to decimals
6/15
6÷15=0.40
4/8
4÷8=0.50
6/10
6÷10=0.60
Step 2: Compare the values
0.40<0.50<0.60
Convert back to fractions:
6/15<4/8<6/10
Correct Answer is B
Explanation
Step 1: Convert time to hours
Total time:
Step 2: Use the distance formula
Step 3: Calculate
Correct Answer is B
Explanation
Step 1: Identify the smallest value
Numbers:
15, 22, 8, 30, 14, 10, 25
Smallest number:
8
Step 2: Identify the largest value
Largest number:
30
Step 3: Calculate the range
Range formula:
Range=Largest-Smallest
30-8= 22
Correct Answer is B
Explanation
Step 1: Multiply teaspoons by mL per teaspoon
2.5×4.93
Step 2: Perform the multiplication
4.93×2.5
=12.325
Correct Answer is B
Explanation
Step 1: Convert the mixed number to an improper fraction
Step 2: Rewrite the division
When dividing fractions, multiply by the reciprocal.
Step 3: Multiply
Step 4: Convert to a mixed number
Correct Answer is C
Explanation
Step 1: Understand equivalent fractions
Equivalent fractions are made by multiplying or dividing the numerator and denominator by the same number.
Step 2: Check each option
7/18
Denominator changed but numerator did not follow the same factor.
7/18≠7/8
49/64
7×7=49
8×8=64
This changes by different factors, so it is not equivalent.
35/40
7×5=35
8×5=40
Both multiplied by 5, so it is equivalent.
1 1/7
Convert to improper fraction:
Not equal to 7/8.
Correct Answer is B
Explanation
Step 1: Multiply teaspoons by mL per teaspoon
2.5×4.93
Step 2: Perform the multiplication
4.93×2.5
=12.325
Correct Answer is A
Explanation
Step 1: Convert pounds to kilograms
170×0.454
=77.18 kg
Step 2: Apply the dosage
Dosage = 2 mg per kg
77.18×2=154.36
Step 3: Round to the nearest whole number
154.36≈154
Correct Answer is C
Explanation
Step 1: Arrange the numbers from smallest to largest
Original numbers:
12, 19, 7, 14, 22, 26, 15
Ordered list:
7,12,14,15,19,22,26
Step 2: Find the middle number
There are 7 numbers, so the median is the 4th number.
7,12,14,15,19,22,26
Correct Answer is A
Explanation
Step 1: Start with the equation
Step 2: Multiply both sides by 2x
Step 3: Simplify
Step 4: Solve for x
Simplify:
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