3 years ago

Sarah's new puppy weighed 5 2/7 pounds. After a month it had gained 5 7/10 pounds.

Mathematics

1 answer:

oksian1 [2.3K]3 years ago

8 0

Answer:

769/70

Step-by-step explanation:

5 2/7 = 37/7

5 7/10 = 57/10

The lowest common multiple is 70

37*10/(7 * 10) = 370/70

57/10 = 57*7/(7*10) = 399/70

Now add

370/70 + 399/70

769/70

Is 769 prime? I think it might be.

Yes it is.

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