Answer: Kristina sister's age = 15 years
Step-by-step explanation:
LET the sister's age be rep as x
SO that Kristina = 4/5 of x
Given that Kristina's age = 12 , Then her sister's age can be found using The equation
4/5 x X= 12
4/5 X =12
X = 5 X 12 / 4
=60/4=15
Kristina's sister's age = 15 years.
I may not help. But i believe it is something to do with the lowest common multiple between those 2 being 60
Answer:
Step-by-step explanation:
2x squared ^c^
88............................
The slope is -4. This is because of slope intercept form, y=mxtb. M= the slope so the slope in this case is -4