Question

can someone please help me with average speed problems? will fan and medal!! super urgent!!

Answer 1

A train travels 42 kilometers in 15 minutes.

How far will the train travel in 3 hours at that speed?

Answer 2

the options are A.
168 km

B.
336 km

C.
504 km

D.
672 km

Answer 3

there is only five questions on the test!!

Answer 4

C. 168 = 1 hr so 3hrs = 504

Answer 5

First you work out your speed

Answer 6

thank you!! can you help with a few more?

Answer 7

so the answer would be C.?

Answer 8

yep

Answer 9

okay, here's the next one

Answer 10

Which is an expression to find the speed in m/s?

d = 100 m, t = 20 s

A.


B.


C.


D.

Answer 11

a. 100-20
b.100+20
c 100/20
d. 100 times 20

Answer 12

D/t

Answer 13

I don't see the answers but it's 5 if m/s is spee you just substitute the numbers 100/20

Answer 14

ok thanks! here's the next one

Answer 15

What is the value of time, t, for the given values of distance, d, and rate, r?

d = 198 km, r = 36 km/h

Answer 16

A 7128 km
B. 7128 h
C. 5.5 km
D. 5.5 h

Answer 17

Aysai?

Answer 18

So, Distance =rate x time or rate = time divided by distance these are just formulas for future reference. I got 5.5 I just don't know if it's km or h but i think it's h