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Mathematics, 09.06.2021 14:00 dieguezisabel

3. Grace's exercise programme requires that she does 1 sit-up on the first day, 2 sit-ups on the second day, 6 sit-ups on the third day, 15 sit-ups one the fourth days and so on until
she does at least 50 sit-ups each day. How many days must Grace exercise to reach her
target of 50 sit-ups per day?​

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3. Grace's exercise programme requires that she does 1 sit-up on the first day, 2 sit-ups on the se...
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