![<b><i>HEY THERE !!](https://img.qammunity.org/2019/formulas/sat/high-school/amct5amyg0x5nu18if3qe5xgzhbm5lf16o.png)
![\huge{SOLUTION:-}](https://img.qammunity.org/2019/formulas/mathematics/high-school/gc508t0dr7txr4tg2c3dn4jtdqx86x4rsu.png)
TIME TAKEN FOR EACH ACTIVITY :-
![\red{FOR \:RUNNING :-}](https://img.qammunity.org/2019/formulas/mathematics/high-school/ot16dsmc5eblvmf8a0rdia5i469th4eovm.png)
he ran 5 miles with the speed of 8 miles pr hour so as we know
TIME :- DISTANCE ÷ SPEED
=> 5/ 8 = 0.625 hours........1️⃣
![\red{FOR\: BIKING :-}](https://img.qammunity.org/2019/formulas/mathematics/high-school/mrzyldme5bkenw8zhhf1m83622fpac7lr9.png)
He rode bike for 10 miles with the speed of 20 miles pr hour.
SO TIME :- 10/20= 0.5 hours........2️⃣
With equation 1️⃣and 2️⃣
total time taken is 0.625 + 0.5 = 1.125 hours or 67.5 minutes.
HOPE IT HELPED YOU.