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Ad libitum [116K]
2 years ago
9

Alex and Marianne were comparing the distances they could skip rocks.

Mathematics
1 answer:
aksik [14]2 years ago
5 0

Answer:

Alex's rock

Step-by-step explanation:

Marianne's distance: 15 inches 4 times = 15 * 4 = 60 inches

we can convert Marianne's distance to feet so we can easily compare it to Alex's

12 inches = 1 foot

1 foot/12 inches = 1. We divide by inches and not feet so that the inches cancel out, as can be seen in the calculations below.

60 inches * 1 = 60 inches * 1 foot/12 inches  = 5 feet

7 feet > 5 feet

Alex's rock skipped the furthest

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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The Rule of 72 is a useful approximation for many interest rates and periods for the time it takes a lump sum to double in value
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Answer:

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Step-by-step explanation:

Using the rule of 72 for the approximation:

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