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The elevation of a small submarine changes by -3/8 mile after each exploration.After how many explosions will the submarine’s elevation have changed by -1 1/2 miles?
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5 votes
5 votes
The elevation of a small submarine changes by -3/8 mile after each exploration.After how many explosions will the submarine’s elevation have changed by -1 1/2 miles?

User Dan Ovidiu Boncut
by
3.1k points

1 Answer

6 votes
6 votes

Answer:

Answer is 4

Explanation:

No of explosions =


( - 1 (1)/(2) )/( ( - 3)/(8) )


= (3)/(2) * (8)/(3)


= 4

User Sujit
by
3.3k points
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