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Directions: Calculate the distance that you would travel if you drive for:
1. 2 hours at 25 km/hr

2. 5 hours at 54 km/hr

3. 1 ½ ℎ at 45 km/hr
4. 7 hours at 62 km/hr
5. ½ hour at 90 km/hr

Directions: Calculate the travel time for each.

6. 90 km at 20 km/hr

7. 160 km at 45 km/hr

8. 320 km at 60 km/hr

Directions: Solve each problem:

9. A car travelling a distance of 200 kilometers arrived at its destination after 8 hours.

What is the average speed of the car?

10.After 7 minutes, Alfonso swims a total distance of 35 meters. What was his speed in

meters per second?​


Sagot :

1.50km

2.270km

3.4.05km

4.434km

5.5.4km

calculate time

6.4.5h

7.3.5h

8.5.333h

calculate speed

9.25km/h

10.5km/h

explanation

1.Distance=SpeedxTime

or D=ST

Given:

D=?

S=25km/hr

T=2hours

D=25(2)

D=50km/h

3.1 1/2 hour us (60+30)=90 minutes

D=ST

D=45(90)=4050

1m=1000km

4050/1000=4.05 km/h

5.1/2 hour=60 minutes

GiVen=

d=?

s=90km/h

t=1/2h

d=st

d=90(60)=5400

1m=1000km

5400/1000km=5.4km/h

TIME

1.t=d/s

given:

d=90km

s=20km/h

t=?

t=90/20

t=4.5 or 4 1/2 hour

SPEED

s=d/t

s=200/8

s=25km/h