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:
4310 in all
2750 went to Hartville charity
Step-by-step explanation:
they collected 3,288 one week then 1,022 the next.
so then you add them up
3,288 + 1,022 = 4310
then they donated 1,560. so then you subtract.
4,310 - 1,560 = 2,750
Answer:
8x + y = 45
Step-by-step explanation:
Ax + By = C
8(5) + (5) = C
40 + 5 = C
45 = C
8x + y = 45
the answer is 36.36 but the closest to it is 37
Answer:
2(x+1)
Step-by-step explanation:
I think it's work.
