Answer:
5x+9y
Step-by-step explanation:
The answer should be 5 because if there were 100 it would be 20
Answer:
A) -15, 5, 2
Step-by-step explanation:
Answer:24
Step-by-step explanation:
Sum of their ages is 60 yr. As such
7x + 3x = 60
10x = 60
x = 60 / 10
x = 6
The rationale is 6, therefore
Father's age is 7x = 7 × 6= 42 years
Son's age is 3x = 3 × 6 = 18 years
Difference in their ages
42 - 18 = 24 years