He has a total of 7 Boards. he has 3 boards of his own and then you add the 4 additional boards that he has
Answer:
30 y
Step-by-step explanation:
We need to multiply 5 by 4y and 5 by 2 y
20y + 10y = 30y
6 seconds = 540 m
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Find 1 second:
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6 sec = 540 m
1 sec = 540 ÷ 6
1 sec = 90m
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Find 4 seconds:
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1 sec = 90m
4 sec = 90 x 4
4 sec = 360 m
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Answer: It can travel 360m in 4 seconds.
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