<h3>
Dan's equation is wrong.</h3>
Step-by-step explanation:
Given, Dan borrows money to buy a new trumpet $400 at simple interest rate of 5% .
here P =$400, r = 5% and t = 1


Therefore he will need to pay back after one year is = 400+(0.05×400)
So, t = 400+(0.05×400)
Dan's equation is wrong.
Answer:
20
Step-by-step explanation:Please give me a brainly
Answer:
x = (y+w)/k
Step-by-step explanation:
xk-w=y
Add w to each side
xk-w+w=y+w
xk = y+w
Divide each side by k
xk/k = (y+w)/k
x = (y+w)/k
65 miles per hour I believe because 487.5 divided by 7.5 is 65.