Answer:
60.8 inches
Step-by-step explanation:
The relevant equation (formula) here is i(t) = (7.6 in/hr)t, where t represents time in hours.
i(8) represents the distance the snail crawls in 8 hours and is
i(8) = (7.6 in/hr)(8 hrs) = 60.8 inches
Answer:65:195
Step-by-step explanation:
50:150
According to what I know you must turn this into a fraction.
150/50
Now that you have a fraction you must divide because the fraction bar means division.
150÷50=3
Each family got 3 plants
65×3=195
195 plants for 65 families
65:195
Answer:
200
Step-by-step explanation:
.405 * 200
= 81
So for this you will be doing proportions. And in this case, the proportion is 
Firstly, you'll need to cross multiply. Your equation will look like this: 
Finally, square root each side and your answer will be
. However this can be simplified.

In short, your answer is 