First of all calm down and brake down the problem plan a is $25 a month while the other one is $40 you need to subtract to get $15 than divide $15 by $0.25 which you will get 60 but this is not the right answer because its asking you how many phone calls is the cost of plan b less than the cost of plan a so the answer is 59 calls.
Answer:
<h3>X=16</h3>
Step-by-step explanation:


Add 24 to both sides
24x/24=384/24

hope it helps!!
36 for the first one 39 for the second one
Answer:
8000001
Step-by-step explanation:
The answer is 7x≤15 because 7 times x (7x) can't be greater than 15, so the inequality would be less than or equal to because it had to be less than or equal to 15.
7x≤15