<span>Lines a and b are parallel.
<a = 79
<b = 79
</span><d = 79
<z = 180 - 79 = 101
<y = 101
<x = 101
<c = 101
.7
because you need to get the original unit price which is 0.7 then multiply that by 1 and get your answer
Answer:
0.85
Step-by-step explanation:
3 x 15 = 45
3 x 14 = 42
--------------
There are 14 packages.
----------------
x = 42/3
-----> 3x=42
18.75÷5=3.75
12.75÷3=4.2
The pack of 5 books has the lower cost per book
