Question

[Nguyễn Ngô Diệp Chi]

Vivian plays ice hockey and gets to her training sessions by bike. For warm up, she skates the rink from one end to the other and back 5 times, while for cool down, she calmly skates the rink from one end to the other only 3 times. The hockey rink is 56.45 meters long. After her training session she jumps on her bike and heads off home, which is 6.8 kilometers away. Halfway down the road she notices that she left her keys at the arena and rides back to retrieve them.

a) How many meters does Vivian skate for warm up?

b) How many meters does Vivian skate for cool down?

c) How many meters does she skate for warm up and cool down in total?

d) How many kilometers extra does Vivian have to ride due to leaving her keys behind?

e) Once back at home, how many kilometers did Vivian ride in total?

Answer 1

[Nguyễn Thị Hoàng Phương]

a)282.25 meters

b)169.35 meters

c)451.6 meters

d)3.4 kilometers

e) 10.2 kilometers

Đáp án đó. :)