9.5, 20.5, 30 and 3 are possible estimates for those numbers.
9.45 + 20.51 + 30.05 + 3.1 = 9.5 + 20.5 + 30 + 3= 10 + 20 + 30 + 3 (moving the .5 from 20.5 to 9.5)
= 60 + 3 = 63
the mean of 31 42 34 21 33 31 is 192
You cannot simplify 31 over 36 because 31 is prime.
62 per cent (31/50= 0.62x100).
31 = 3 + 33 + (3/3).
31 = 33 + 3 + 3/3
907 + 31 + 5 + 2 = 945
0.0328
Good Friday last fell on March 31 in 1972. Good Friday will again fall on March 31 in 2051.
24 is a reasonable estimate. (78% of 31 is 24.18).
15.5
31
Two ways, .52 x 31 =16.12 .31 x 52 =16.12
An estimate for 31 December 2009: 21 450 000.
77
One might use 700 x 30 = 21000
718 x 31 is a question about multiplication. A quotient is an answer to a question about division. It is not clear what the question is about!
Total Travel Estimate: 31 hours 46 minutes / 2167.67 miles