Answer:
The variable is m is it can vary with each day to achieve the 80 miles
Explanation:
This can be expressed as;
Total miles=Miles already biked+remaining miles
where;
Total miles=80 miles
Miles already biked=25 miles
Remaining miles=Number of miles per day(m)×number of days(5 days)=5×m=5m
Replacing;
80=25+5m
5m=80-25
5m=55
m=(55/5)=11
The number of miles he need to bike each day for five days=11 miles to achieve the 80 miles total miles.
The variable is m is it can vary with each day to achieve the 80 miles