Answer:
15 hours
Step-by-step explanation:
9 lawns is 3 times as much as 3 lawns
it will take 3 times as long
3 * 5 hours = 15 hours
MQ IS GREATER I THINK I GAD THAT SAME QUESTION
Delta = |a b d; b c f; d f g|
(2)
J = |a b; b c|
(3)
I = a+c
(4)
K = |a d; d g|+|c f; f g|.
Answer
((10+9)x3-1)x2
=(19x3-1)x2
=(57-1)x2
=56x2=112
