Answer:
4 feet
Step-by-step explanation:
We know the the area of a triangle can be represented as
.
Since the height is twice the base, we can substitute the value
in as
in the expression, making it
. If the area is 16, we can make the equation

Now to solve for b.

Hope this helped!
Since he completes 10 minutes each day for five days, he completes 50 minutes.
The percentage of his total requirement would be 50/100 = 0.5 = 50%.
You need to do 20 divide by 21 to get a decimal. Then if you multiply the decimal by hundred you should get the percentage.
Answer:
Luis:

Marina:

Answer: Marina got the better percent score than Luis
Marina:
19 minutes ..
Divides 45.85 by 15 you will get 3 same for the other cost- the divide 3 by 55.81 and you get 19