Answer:
Step-by-step explanation:
Let’s make an equation
Let’s say x = amount of years after
Smith = 8, mother = 42
3(8 + x) = 42 + x
24 + 3x = 42 + x
2x = 18, x = 9
Solution: after 9 years
Answer:
option C
Step-by-step explanation:

Answer:
(879,120)÷(56709072) ×(-659340)=-10221.274
Step-by-step explanation:
we use bedmas rules when it comes to long solving questions.
Answer:
D.) 0.476
Step-by-step explanation:
The < sign means 'less than'. The only thing that .475 is less than is .476