It can be written in three different ways: 8 tenth, .8 and 8/10
Substitute the value of the variable into the equation and simplify.
19
Answer:
Step-by-step explanation:
Circumference is= to diameter * Pi

For the ones that are radius, double it, then pi

Answer:
the number of laps he swam the last day = 5 laps
Step-by-step explanation:
Total swimming = 558 laps
Number of days = 79⁵/₅₅₈ days
Hence the number of laps he swam the last day = 5 laps