hari is training for a race that consists of cycling and running the ratio of the total number of hours he ran to the total number of hours he cycled is 3:4. if the total time spent doing both is 140 hours how many hours did he spent?

hari is training for a race that consists of cycling and running the r

1.	hari is training for a race that consists of cycling and running the ratio of the total number of hours he ran to the total number of hours he cycled is 3:4. if the total time spent doing both is 140 hours how many hours did he spent?
Answer» -step explanation:1.Let the COMMON multiples be X2.so 3x+4x=1403.so 7x=1404.so x=140/75.so X=206.so Time SPENT in RUNNING =3×20=60 HOURS7. so Time spent in Cycling =4×20=80 hours8. Proof=60+80=140 HOURS