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Vesna [10]
3 years ago
6

Malcolm ran the 440-yard and the 220-yard dash at a track meet.There are 3 in one yard. How many total feet did Malcolm run?Esti

mate first. Then check for reasonableness.
Mathematics
2 answers:
Tresset [83]3 years ago
5 0

For this case we have the following conversions:

1 yard = 3 feet

The estimate distance Is:

400yd = 1200feet

200yd=600 feet

Ten, the estimate Is:

1200 + 600 = 1800 feet

The real distance Is:

The total distance in yards is given by:

440 + 220 = 660 yd

Then, let's transform this distance to feet, with the given conversion:

660 * 3 = 1980 feet

The distance traveled is reasonable for a person

Comparing the estimate and the actual answer, the distance malcom Ran Is reasonable.

Answer:

Malcolm ran 1980 feet.

The distance is reasonable.

Zepler [3.9K]3 years ago
4 0
440 x 3 = 1320

220 x 3 = 660

1320 + 660 = 1980, which is your answer.



440 is close to 400, so 400 x 3 = 1200

220 is close to 200, so 200 x 3 = 600

1200 + 600 = 1800



This is a reasonable estimate.
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