A-- (x)(.10)= New cost
B--New cost-2000= Cost after 10% discount and 2,000 discount
C--You'll have find what number mulitiplied by(.10) equals $18,000
D-- $18,000 is the price with the $2,000 already taken out, so now you just do 18,000(.10)=
Answer:
The Subjects: The subject of this research are the drivers who were selected randomly to take part in the experiment
The Treatment: The treatment for this research will therefore be driving and also talking on a cell phone at the same time and also driving while not talking on the phone
The response variable for the experiment: The number of errors that will be made by the drivers as they drive on an obstacle course.
Step-by-step explanation:
5x - 5 = x + 15
add 5 to both sides
5x = x + 20
subtract x from both sides
4x = 20
divide both sides by 4
x = 5
Answer:
20 pounds
Step-by-step explanation:
5.9+4.6+6.2+3.3=20
Joaquim Rate per hour = 1/7
Josiah Rate per hour = 1/t
1/7 + 1/x = 1/3
(same denominator & simplification) gives: t = 21/4 = 5.25 .
Josiah needs 5.25 hours to clean alone
(I really don't know why the answer is 5.3 . Can you pls check with the teacher?