Answer:
25
Step-by-step explanation:
20 books in 4 months is 5 books in 1 month.
20÷4=5
4÷4=1
1×5=5
5×5=25
Answer:
Step-by-step explanation:
The formula for the volume (V) of a sphere is:
V = ⁴/₃πr³
We can use this equation to calculate the radius (r) and from there get the diameter (D).
Answer:
24
Step-by-step explanation:
x + x + 1 = 49
x + x = 2x = 48
x = 48 ÷ 2 = 24