Answer:
286/20 or 14.3
Explanation:
According to the Question,
- Given, Joey exercising every day. Today he jogged for 8.40 minutes and sprinted for 0.65 minutes then jumped roped for 10.30 minutes and stretched for 5.25 minutes .
jogged for 8.40 minutes = 8minute + 0.40minute ⇒ (8 + 4/10) ⇒ (8 + 2/5) Minutes.
- sprinted for 0.65 minutes = 65/100 ⇒ (13/20)Minutes.
- stretched for 5.25 minutes = 5 + 25/100 ⇒ (5 + 1/4)Minutes.
- Total numbers of minutes that joey spent exercising = (5 + 1/4)Minutes + (13/20)Minutes. + (8 + 2/5) Minutes.
⇒13 + 1/4 + 2/5 + 13/20
⇒13 + (5+2*4+13)/20
⇒13 + 26/20
⇒286/20 or 14.3 or 14 minutes 3/10 minute .