We know that she spent $39, and has 3/4 of the original amount left. Our goal is to find the original amount. We can use the equation. x - 39 = 3/4x. Once we subtract x on the left hand side, we get -39 = -1/4x. Once we multiply -39 by -4, we get 146. She originally had $156.
Answer:
12
Step-by-step explanation:
earth takes 365 days or 1 year and it takes jupiter 4080 days or 12 years
Answer:
-3.33333333333333333333333333333333333333333333333333333 (its infinite 3's)
Step-by-step explanation:
multiplication.
Answer:
The 20 mph headwind slows the plane down. This is because the headwind comes at the head of the plane and goes in the opposite direction of the plane.
So the plane's actual speed (with the wind included) is 550-20 = 530 mph.
Good luck!