PSLE When Vina started jogging from her home, Candy was 2.2 km ahead. Vina jogged at 12 km/h and Candy jogged at 9 km/h. They went in the same direction and did not change their speeds throughout.
- How far did Vina jog in 45 minutes?
- Who was ahead after 45 minutes? How far apart were they? Give your answers in this format. (Eg Ben, 1.2 km)
(a)
Distance that Vina jogged in 45 minutes
=
4560 x 12
= 9 km
(b)
Distance that Candy jogged in 45 minutes
=
4560 x 9
= 6.75 km
Total distance that Candy jogged
= 6.75 + 2.2
= 8.95 km
Distance that Vina was ahead of Candy
= 9 - 8.95
= 0.050000000000001 km
Vina was ahead by 0.050000000000001 km.
Answer(s): (a) 9 km; (b) Vina, 0.050000000000001 km