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1 answer:
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Answer:
3770 mm.
Step-by-step explanation:
The diameter of of the wheels is 60mm, that means the radius is 30mm.
Now for one revolution of the wheels, they cover the distance of on the ground.
For 20 revolutions, the distance covered will be 20 times this.
Thus
Which is our answer.
Answer:
38
Step-by-step explanation:
2(+ab) + 3 - ab
= + 2ab + 3 - ab
= + ab + 3
= 2x + 5x(-3) + 3
= 50 - 15 + 3
= 38