Answer:
i dont know
Step-by-step explanation:
Answer:
Step-by-step explanation:
1. (3b)^5
= (3b)^2 * (3b)^3.
2. Width = area / length
= 10^4 / 10^3
= 10^(4-3)
= 10 m.
Answer:
13
Step-by-step explanation:
Answer:
25% decrease
Step-by-step explanation:
Take the original amount of books and subtract the new number of books
20 -15 = 5
Divide by the original amount of books
5/20 = .25
Multiply by 100%
25%
It is a decrease since the amount went down
25% decrease
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
