Bobby, Sally and Kelly are raising money to buy their teacher new fancy calculator. Bobby collected $10 more than Sally. Kelly collected 5 more dollars than twice what Sally collected. They collected a
total of $235, how much did they each collect?

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

a 270° rotation about point p says on e d g e n u it y (had to space it out because it says it's a misspelling so i couldn't submit it

6 adults and 9 children went.

a + c = 15

12a + 9c = 153

12(6) + 9(9) = 153

72 + 81 = 153