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Mathematics
10.04.2021 09:27
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Samantha measured 40 1/2 inches. Over the next 5 1/2 years, she grew to a height

Samantha measured 40 1/2 inches. Over the next 5 1/2 years, she grew to a height of 57 inches. During the 5 1/2 years, what was the average yearly change in Samantha's height?
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Babybeast3544
Babybeast3544
4,4(24 marks)

3 in. per yr

Step-by-step explanation:

Present height of Samantha is 40\frac{1}{2}=\frac{81}{2}

After next 5\frac{1}{2} years i.e. \frac{11}{2} years

she grew to 57\ inches

Increase in her height=57-\frac{81}{2}=16.5\ inches

Increase in height per year is =\frac{16.5}{5.5}=3\ in.\ per\ year

brookeboyd7469
brookeboyd7469
4,6(31 marks)

There is 15 bars in each case.

Subtract 8 from 143 and you get 135.

Divide 135 by 9 and you get 15 :)

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