Jovie is maintaining a camp fire. she has kept the fire steadily burning for 10 hours with 15 logs. she wants to know how many hours she could have kept the fire going with 9 logs. she assumes all logs are the same.

how many hours can jovie keep the fire going with 9 logs?
me out.

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column

2

step-by-step explanation:

cause it equals more

is the anwser b. (-13)?