5. The ratio of boys to girls in a school is 4:5 if there are 765 students in the school, how many boys ar
A. 612
B. 510
C. 425

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase