It's 5 and 1/3
She died in 1836 at the age of 85. She outlived her husband by 50 years and her famous son by15 years.
1,3,5
9.8
An infinite number of multiples of 85.
85
96.4941
2.5
20
Divide by five. 5 x 17 = 85
0.0471
42 and 43 add to 85 5 and 17 multiply to 85 170 and 85 subtract to 85 170 and 2 divide to 85
add them all up and divide by how many numbers there are so..... 85+92+84+85+96+95=? and divide by 6