Answer:
The common ratio is 3.
Step-by-step explanation:
Take 4.5 and divide it by 1.5 and you find that the common ratio is 3. To ensure this is the answer you can multiple 4.5 by 3 and you'll get 13.5
Answer:
Growth It's increased by 31%
Step-by-step explanation:
Hope this helps :D
3x+y=-5
12x+5y=27
Let y =-5-3x
Insert y into equ.2
12x+5(-5-3x)=27
12x-25-15x=27 den rearrange
-3x=2 den x =-2/3
Den put xinto equ 1
3(-2/3)+y=5
-2+y=5(collect like terms)
Y =7
