Answer:

Step-by-step explanation:
The LCM of 14, 21 and 6 is 42
We require to change the fractions to fractions with a denominator of 42
+
+ 
=
+
+
← add the numerators, leaving the denominator
= 
=
← divide both values by 2
=
← in simplest form
Original price:
6(3.5)
21
New Price:
1.15(21)
24.15
24.15-21
$3.15 more
The answer is -6 is less than 3
Answer:
its the second one
Step-by-step explanation:
hope it helps