If a car travels 30 mi. north for 30 min., 60 mi. east for 1.0 hour, and 30 mi. south for 30 min., what is the average speed of
the car over the first two legs of the trip? 60 mph 50. mph 53 mph 53.3 mph
1 answer:
A) 30 mi. north for 30 min - 15 miles traveled
B) 60 mi. east for 1.0 hour - 60 miles traveled
75 miles traveled for 1.5 hours = 50 mph
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Answer:
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<span>(y=mx+b) or (ax+by=c) hope this helped
</span>
Let the total no. of 25 p coins be x
50p coins = 2x
Value of 25 p coins ( in rupees) = 0.25*x =0.25x
Value of 50p coins ( in rupees) = 0.5*2x = x
0.25x+x = 25
1.25x =25
x = 25/1.25 = 20
no. if 25p coins = 20
and 50p coins = 2*20 = 40
