There are 3 feet in 1 yard this is equivalent to 12 feet in 4 yards which proportion can be used to represent this?
2 answers:
Answer: The answer is (D)
Step-by-step explanation: Given that there are 3 feet in 1 yard, which ios equivalent to 12 feet in 4 yards. We are to select the correct option from the four proportions that can be used to represent this.
1 yard = 3 feet implies 4 yards = 12 feet.
Therefore, the required proportion will be written as
Thus, the correct option is (D).
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For this question we will use the following relations.
100 centimeters=1 meter (or 1 centimeter= 0.01 meter)
10 millimeter=1 centimeter (or 1 mm=0.1 cm)
60 minutes = 1 hour (or 1 min= hour)
Now, Jackson's speed is 1350 meters per hour. This can be converted to cm per minute as follows:
...Equation 1
Likewise, Jonah's swim speed in cm/min can be calculated as:
...Equation 2
As we can see clearly after comparing Equation 1 and Equation 2, Jonah's swim speed of 7500 cm/min is faster than that of Jackson.
Thus, option B is correct.