25 feet in 4 seconds; 80 feet in x seconds write a proportion for each phrase and solve it
1 answer:
Answer:
12.8 seconds
Step-by-step explanation:
Create a proportion where x is the number of seconds for 80 feet
= 
Cross multiply and solve for x
25x = 320
x = 12.8
So, the answer is 12.8 seconds
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