31
since A = 1/2 b h, and the A is 279 and the height is 18, we can plug them in and solve for b.
Answer:
With the subscription, $7.5 will be saved.
Step-by-step explanation:
Giving the following information:
A daily newspaper sells monthly subscriptions for $15. Each copy of the newspaper costs $0.75.
<u>First, we need to calculate the total cost of buying 30 newspapers individually:</u>
Total cost= 0.75*30
Total cost= $22.5
Difference= 22.5 - 15= $7.5
With the subscription, $7.5 will be saved.
Please look at the picture for a step by step explanation - Answer choice is A
Try to use “wathway” it is a really good math source that give you the answer and it shows you the work.