A car travels at a speed of (70 - 3x) km/h for
(x + 2) hours.
(a) Express the distance travelled by the car in term of x
car in terms of x.
(b) If x = 3, find the distance travelled. do answer in copy
Answers
Answered by
2
Answer:
The car travels 12.8 km
Step-by-step explanation:
speed=distance ÷ time
=(70-3x) ÷ (x+2)
=(70-3×3) ÷ (3+2)
=(70-6) ÷ (5)
=64÷5
=12.8 km/hr
THANKS
Answered by
0
Answer:
12.8km\per hour
in short cut
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