johnb9163
02.01.2020 •
Mathematics
Use estimation to determine which of the following expressions is greater. explain how you got your answer. 5 × (1.9 + 3.15) and 6.9 × (0.2 +3.2)
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Ответ:
Ответ:
Ответ:
Adam
Step-by-step explanation:
You just have to divide feet/second
Adam: 15 feet per second
15/1=15
Noah runs 599 feet in 40 seconds
599/40=14.9
Jake runs 1 mile in 384 seconds
1 mile=5280 feet
5280/384=13.8
liz runs 667 feet in 1 minute
1 minute=60 seconds
667/60=11.1