In 1950 the number of retirees was approximately 150 per thousand people aged 20-64. In 1990 this number rose to approximately 200, and it is projected to rise to 275 in 2020. Model N as a piecewise linear function of the time $t$ in years since 1950, and use your model to project the number of retirees per thousand people aged 20-64 in 2009.

Please enter your answer as a number without the units. Round your answer to the nearest integer.

Question

In 1950 the number of retirees was approximately 150 per thousand people aged 20-64. In 1990 this number rose to approximately 200, and it is projected to rise to 275 in 2020. Model ​N as a piecewise linear function of the time $t$ in years since 1950, and use your model to project the number of retirees per thousand people aged 20-64 in 2009.
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Please enter your answer as a number without the units. Round your answer to the nearest integer.

Quizplus · Accepted Answer

The Answer of In 1950 the number of retirees was approximately 150 per thousand people aged 20-64. In 1990 this number rose to approximately 200, and it is projected to rise to 275 in 2020. Model ​N as a piecewise linear function of the time $t$ in years since 1950, and use your model to project the number of retirees per thousand people aged 20-64 in 2009.
​
Please enter your answer as a number without the units. Round your answer to the nearest integer.

In 1950 the Number of Retirees Was Approximately 150 Per ttt

In 1950 the Number of Retirees Was Approximately 150 Per $t$