Answer
The solution set includes all numbers less than or equal to 199.There should be a closed circle at 199 then have an arrow pointing towards the left.Negative solutions do not make sense for the situation.
Step-by-step explanation:
Answer:
90
Step-by-step explanation:
90 * 70% = 63
Answer:
The groups walking speed is
or 
Step-by-step explanation:
we know that
To find the speed divide the distance by the time
so

Convert to mixed number

The numbers that add up to 105 if one is 13 more than the other one is
59 and 46
46 being the smaller number
59 being the number that's 13 more than the first