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blondinia [14]
3 years ago
12

On the number line, a bug A is moving in the positive direction from the point 0, and a bug Bis moving in the negative direction

from the point 0. The speeds of both bugs are constant. Both leave 0 at the same time, and three seconds later A has reached 18 and B has reached –15. b When will A and B be 220 units apart?
Mathematics
1 answer:
AleksAgata [21]3 years ago
8 0

Answer:

20 seconds

Step-by-step explanation:

A is moving at the speed of 6t and B is moving at the speed of 5t. 6t +5t = 11t, and 220 divided by 11 = 20.

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