Equal temperature

We measured the temperatures of the two cities at the same time. The temperature in town A was 60 degrees And rose at a constant rate of 2 degrees per hour.

The temperature in city B was 40° and rose at a constant rate of 10° per hour.
Find the time in hours when the temperature is the same in both cities.

Correct answer:

t =  2.5 h

Step-by-step explanation:

t1=t2  60+2t=40+10t  60+2 t=40+10 t  8t=20  t=820=2.5  t=25=2.5=2.5 h

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