Answer:
A
Step-by-step explanation:
multiplication is the inverse of division and subtraction is the inverse of addition
Answer:
a=3
Step-by-step explanation:
6a-4=3a+5
6a-3a=3a
5+4=9
3a=9 *divide on both sides*
a=3
<span>36*7=252
21*4=48
total is $300
12 necklaces and 36 watches.</span>
An event will definitely either happen or not happen.
The total probability of it (happening or not happening) is 100%.
So if the probability of it happening is 87%, then the probability of it
NOT happening is
(100% - 87%) = 13% .
