medlinalex
28.04.2021 •
Mathematics
The sum of two consecutive numbers is 39 . What are the 3 numbers?
help please! need it asap
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Ответ:
Ответ:
Suppose that Judy completes exercises on Monday. Since she doubles the amount of exercises every day, she will complete exercises on Tuesday, exercises on Wednesday, exercises on Thrursday and exercises on Friday.
So, she completed exercises.
She still has 7 problems left, which means that she did problems so far.
So, we have
Here's the number of exercises per day: