Question 176035
equation for :  remember t = each 1/2 hour of time.
:
company A: 23t+45
:
company B: 28t+35
:
we are looking for company A = company B
:
23t+45=28t+35
:
5t=10
:
{{{highlight(t=2)}}}
:
so that is 2(1/2hrs) of time which equals 1 hour. So for 1 hours work the 2 companies will charge the same