When Albert was born, he was 19.5 inches "tall". Today, on his 13th birthday, Albert is four feet, nine inches.
1 answer:
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Let
L----------> <span>the length of the yard
W--------> </span><span>the width l of the yard
we know that
the perimeter is equal to
</span>![P=2*[W+L]](https://tex.z-dn.net/?f=P%3D2%2A%5BW%2BL%5D)
![72=2*[W+L] \\ 36=W+L](https://tex.z-dn.net/?f=72%3D2%2A%5BW%2BL%5D%20%5C%5C%2036%3DW%2BL)
--------> equation 1
------> equation 2
<span>substitute equation 2 in equation 1
</span>
<span>
we know that
Area of the rectangular yard is equal to
</span>
<span>
</span>
L----------> <span>the length of the yard
W--------> </span><span>the width l of the yard
we know that
the perimeter is equal to
</span>
<span>substitute equation 2 in equation 1
</span>
<span>
we know that
Area of the rectangular yard is equal to
</span>
</span>