Answer:
<h2>9</h2>
Step-by-step explanation:
(-)(-) = (+)
(-)(+) = (-)
(+)(-) = (-)
(+)(+) = (+)
-(-21) = (-)(-21) = (+)21 = 21
-12 - (-21) = -12 + 21 <em>use commutative property: a + b = b + a</em>
= 21 + (-12) = 21 - 12 = 9
Answer:
4 trucks
Step-by-step explanation:
3,600 / 24 = 150
so 1 out of every 150
600 / 150 = 4
Then that part of the number is less than one
have a nice day! :D