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DochEvi [55]
2 years ago
5

Please help i am not smart

Mathematics
2 answers:
Olegator [25]2 years ago
4 0

Answer:

Step-by-step explanation:

Number of shells she had in the begining = 40

Number of shells collected in the morning and at noon = 6 + 3 = 9

Now the number of shell at the end = 40 + 9 = 49

Icreased shells = 49 - 40 = 90

\text{Percentage increase = $\dfrac{49- 40}{40}*100$}

                                =\dfrac{9}{40}*100\\\\\\= 22.5 \ \%

qaws [65]2 years ago
4 0
Anser:22.3
I think —————-
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Step-by-step explanation:

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