Answer:
a.
Step-by-step explanation:
Multiply the cost, 120, by 0.07
you will get 8.4
Janet will pay $8.40 in sales tax
Answer:

Step-by-step explanation:
Given


Required

Since the events are mutually exclusive, then:

So, we have:

Take LCM



Answer:
6
Step-by-step explanation:
4
÷
=
÷
=
* 
= 
= 6
6 because 25%=1/4 of a number, and 6x4=24. So 1/4 or 25% of 24 is 6