Question 482470
A jogger runs 94 yd in 10.00 seconds. 
What would be his time for a 490 m run at the same rate?
:
We can use a ratio equation here: let t = time to run 490 m
{{{t/10}}} = {{{490/94}}}
cross multiply
94t = 10 * 490
94t = 4900
t = {{{4900/94}}}
t = 52.13 sec to go 490 m