4 years ago

Help Please! Please Explain.

Mathematics

1 answer:

Rudiy274 years ago

8 0

Answer:

Step-by-step explanation:

Well first let's calculate how many times she jumped per hour. For that we need to divide 42 by 7 which is 6. Now we need to divide that by two because they are asking for every half hour, not every hour. So 6 divided by 2 is 3. So our answer is 3.

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