If w=5.5 (20+d), where w = weight in pounds and d = the number of inches one's height exceeds 5 feet. By this formula, the normal weight of an adult who is 5'6 tall is ___ pounds.
- 134
- 140.25
- 140.8
- 143
Explanation
To find the normal weight of an adult who is 5'6" tall using the formula
w=5.5(20+d),
we need to determine the value of d, which represents the number of inches one's height exceeds 5 feet.
Since 5'6" is 6 inches more than 5 feet,
d=6.
Substitute
d=6 into the formula:
w=5.5(20+6)
w=5.5(26)
w=143
Therefore, the normal weight of an adult who is 5'6" tall is 143 pounds.
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