You just need to list the factors of all 3 numbers, and see what numbers they have in common!
15: 1,3,5,15
18: 1,2,3,6,9,18
12: 1,2,3,4,6,12
so in all you can say that the common factors of 15,18,12 is: 1 and 3
3 because 7*3=21,...........
Answer:
A. −7 < x < 6.
Step-by-step explanation:
x: −8 < x − 1 < 5
--->
−7 < x < 6
<span>6.36 x 7.5 = 47.7
she earned 47.7$</span>