The time needed at 2 meters per second for both rounds would be 100/2 s or 50 seconds. For the first lane he already used 50/1.5 -> 33.33 seconds, so he would need to cover the other 50 meters in exactly 16.67. 50m divided by the 16.67 seconds he has left means he has to swim at a speed of 3 meters per second.
Answer: 
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Step-by-step explanation:
1) Simplify both sides of the inequality:
2) Subtract 
from both sides:
3) Simplify:
4) Subtract 
from both sides:
5) Simplify:
6) Divide both sides by 
:
7) Simplify:
Answer:
correct do
Step-by-step explanation:
Answer:
The answer is False,
Step-by-step explanation:
The answer is False because in some expressions if there are parentheses and there is a subtraction problem in the parentheses but there is an addition problem in front of the parentheses that does not exactly mean that you do the addition first, this is because the subtraction is inside the parentheses and so since the subtraction is in parentheses it is done fist.
