Joey exercising everyday. 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. Write a fraction to represent the total numbers of minutes that joey spent exercising

286/20 or 14.3

Step-by-step 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 .