Answer:
258.75km
Step-by-step explanation:
345/4=86.25
Can travel 86.25km an hour
86.25*3=258.75
Therefore it can travel 258.75 in 3 hours
Answer:
Hello,
Step-by-step explanation:
Here is an other method than classical:

Answer:
57
Step-by-step explanation:
because all the angle of a triangle add up to 180
180-63-60=57
True!
For example:
can also represented as
, and the answer will still be 4.