Which expression is equivalent to (3.1x−2.4y+1.9)+(2.2x−1.4y−3.4)?
1 answer:
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Answer:
The unit rate is accurately (km/minute)
Step-by-step explanation:
(1,1/4) means that the vehicle traveled 1/4 km within 1 minute.
The unit rate for this problem is also known as the speed of the vehicle.
So to find the speed, you need to use distance over time.
---> Unit rate: / 1 =
(km/minute)
(2,1/2) means that the vehicle traveled 1/2 km within 2 minutes.
Same process:
---> Unit rate: / 2 =
Because of this, the unit rate is accurately (km/minute)