Answer:
Stephanie
Step-by-step explanation:
To compare each runner's speed, we must convert them all to the same units.
Let's convert then all to feet per second.
1. Stephanie
Speed = 13 ft/s
2. Emily

3. Brooke

4. Katie

Stephanie is the fastest runner.
Answer:
The tip was 30% percent
Step-by-step explanation:
All you have to do is the following, total price difference/ original price. 4.20/14 is 0.3, so 30 percent.
Out of 3 people= 1 customer
What about 75customers= ?
75costomers × 3 = 225 people
=225people
Answer:
7
Step-by-step explanation:
Change first equation
x - 2y = 1
add 2y to both side
x = 2y + 1
Plug into second equation
3(2y+1) - 6y = 3
Distributive property
6y + 3 - 6y = 3
y = 0, plug into first equation
x - 2(0) = 1, x = 1
Solution: x = 1, y = 0