Biking at 10 mph, it takes Kristen 1/4 hour to reach the train station to go to work. Kristen then takes the train to work, and
it takes another 1/4 hour for her to get to work when the train travels 20 mph. How far does Kristen travel to work?
1 answer:
Answer:
Kirsten travels 7.5 miles to go to work.
Step-by-step explanation:
Bike: 10 MPH
Time: 1/4 Hour
1/4 of 10 = 2.5
Distance travelled on bike: 2.5 miles
Train: 20 MPH
Time: 1/4 Hour
1/4 of 20 = 5
Distance travelled by train: 5 miles
Add the distances together.
5 + 2.5 = 7.5
7.5 miles
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Answer:
x=2
Step-by-step explanation:
5x+
= 7
5x+4 =7 (2)
5x+4=14
5x=14-4
5x=10
= 
x=2
27*.1= 2.70
27+2.70= 29.70 Total bill
