Which expression is equivalent to 3x+2 ? A. x+x+x+1+1 B. x+x+1+1+1 C. 3x+6 D. 3+x+2
2 answers:
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Answer:
The Jesse swim fastest
Step-by-step explanation:
Given as :
The distance cover by Elizabeth while swimming = 50 feet
The time taken by Elizabeth = 10 sec
So, Speed of Elizabeth =
∴ Speed of Elizabeth = = 5 feet per sec
Again ,
The distance cover by Jesse while swimming = 110 feet
The time taken by Jesse = 20 sec
So, Speed of Jesse =
∴ Speed of Jesse = = 5.5 feet per sec
Again ,
The distance cover by Reagan while swimming = 160 feet
The time taken by Reagan = 30 sec
So, Speed of Reagan =
∴ Speed of Reagan = = 5.3 feet per sec
So,
Hence The Jesse swim fastest Answer