The formula used in this problem is

, where r is the common ratio. The common ratio is how you get from one term to the next. In this case, the common ratio is ·4, so from one year, or term, to the next the number of frogs is multiplied by four. This makes the answer
B. The number of frogs quadruples every year.
Answer: There are 80 people in the 6th grade
Step-by-step explanation:
Answer:the answer is 27
Step-by-step explanation:
This is a proportion problem. Let the monument me x feet tall.
40/x=5/6
Cross multiply:
240=5x
x=48 ft.
So the monument is 48 ft tall,