Answer:
The required formula for y, the number of cars sold is:
.
Step-by-step explanation:
Consider the provided information.
Let x represents the amount of money spend on advertising
.
y is number of cars sold,
For each additional 5000 dollars spent, they sold 40 more cars.

The y-intercept form is: 
Substitute x=60,000, y=680 and m=0.008 in the above equation.



Thus, the required formula for y, the number of cars sold is:
.
Answer:
Its 26.2
Step-by-step explanation:
I just took the test
Yw :DD
Step-by-step explanation:
collect like terms
-3x-2x=19
-5x=19
x=19/5
x=3.8
Answer: $12.50
Step-by-step explanation:
Sarah starts out with $100. She gave 3/4 of it away. 3/4 of 100 is 75. So, that means she gave $75 to her sister. she has $25 left but she gives half of the 25 to her friends. You would divide 25 by 2. since you have to split the 25 in half. she gave away $12.50 and she kept $12.50 for herself. So, she has $12.50 left after giving the money away.
About 172 centimeters tall.
Since he is about 3/4 his average adult height, you simply divide his current height by .75
129/.75 = 172