Answer:
an example of a ratio as a fraction in its simplest form is .5 is 1: 2.
2520
Step-by-step explanation:
LCM(4, 7, 8, 9, 10, 12) = 2520
The discount is $18
x=1
-4+7x=3 add 4 to both sides
7x=7 divide 7 on both sides