Answer:
54 years
Step-by-step explanation:
Joyce age = x
Alex age = y
3x = 2y - - - (1)
y - 9 = 2(x - 9)
y - 9 = 2x - 18
-9 + 18 = 2x - y
9 = 2x - y
y = 2x - 9 - - (2)
3x = 2y
3x = 2(2x - 9)
3x = 4x - 18
18 = 4x - 3x
18 = x
Hence,
Mrs stone is 3 * 18 = 54 years
Answer:
B
Step-by-step explanation:
hope it helps <3333
You look beautiful
Answer:
Step-by-step explanation:
If you have a calculator do pie times radius squared times height. So basically pie times 25 squared times 40
One for 5.8 and one for 1.2
Hope this helps