Therefore, you have the equation:

y= -.02x + (y-intercept)

If you plug in the values for 1920, you get:
46.6= -.02(0) + (y intercept)

The y-intercept is 46.6.

This also works if you plug in x= 60 years and 45.4 seconds.

So no, your answer is not correct. Sorry :(

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