Tutors Answer Your Questions about Age Word Problems (FREE)
Question 175163: The lengths of the sides of a triangle are three consecutive integers.If the perimeter is 96 feet, find the lengths of the three sides of the triangle.
unsure?: x+x+1+x+2=96 -> 3x+3=96
-3 -3
3x=93
divide by 3 to both sides
x=31,32,and,33
Click here to see answer by actuary(112) |
Question 175905: According to one mathematical model, the average life expectancy for American men born in 1900 was 55 years. Life expectancy has increased by about 0.2 years for each birth year after 1900. If this trend continues, for which birth year will the average life expectancy be 85 years?
Click here to see answer by checkley75(3666) |
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