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bnbjj
14.01.2020 •
Mathematics
Elena plans to ride her bicycle 5 miles to a park and then ride several times
around a loop in the park that is 3 miles long. then she'll ride the same way
home. she wants to ride a total of at least 22 miles. the inequality
3t+10 > 22 models this situation, where tis the number of times elena rides
around the loop.
solve the inequality. how many times does elena need to ride around the
loop?
o
a. 4 or more times
o
b. 5 or more times
o c. at most 5 times
o d. at most 4 times
Solved
Show answers
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Ответ:
Option A
Elena need to ride around the loop four or more times
Solution:
Given that Elena plans to ride her bicycle 5 miles to a park and then ride several times around a loop in the park that is 3 miles long
Then she will ride the same way home
She wants to ride a total of at least 22 miles
Given inequality is:
3t + 10 > 22
Where "t" is the number of times Elena rides around the loop
Solve fot "t" in given inequality
3t + 10 > 22
Subtract 10 both sides
3t + 10 - 10 > 22 - 10
3t > 12
Divide by 3 both sides
t > 4
The solution is all real numbers greater than or equal to 4
Which means 4 or more times
Therefore, Option A is correct.
Ответ:
4.2 miles per hour
Step-by-step explanation: