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grandymaker [24]
3 years ago
5

When Mariana does 19 push-ups and 6 sit-ups, it takes a total of 75 seconds. In comparison,

Mathematics
1 answer:
Dimas [21]3 years ago
5 0

Answer:  It takes 3 seconds to do one of both i think

Step-by-step explanation:

19 and 6 was 75 and 18 and 6 was 72 which means 1 push up is 3 seconds multiply 3 by 18 that is 54 then subtract 72 by 54 which gives you 18 then divide 18 by 6 which is 3

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