Answer:

Step-by-step explanation:
Given
Teenagers = 15,153,805
Doing Well = 12% ---- <em>From the comment on this question</em>
<em />
Required
Determine the number of teenagers in this category
To solve this question, we simply multiply the total number of teenagers by the given percentage.
i.e.



<em>Approximate</em>

Hence, there are 1818457 in this category.
<em>NB: None of the options answer this question</em>
16 seconds. Assuming the biologist is traveling at a constant velocity, you can use the equation d = rt to find the time.
80 = 5t
t = 16 seconds
Answer:
This is the given information for which system of equations would be used to find out how many dimes and quarters Amir has?
x = dimes x = 0.10 or 0.1
y = quarters y = 0.25
31 coins
worth $5.20 = 5.2
x + y = 31
0.1x + 0.25y = 5.2
Step-by-step explanation:
10+10=20 = length
20 + 18 = 38 width = 18 or 9 on each side
10 x 9 = 90
Answer 90