The total cost is $36.14 (rounded to the nearest hundreds).
Cost with tax- $28.35 x 106.25%= $30.12 (rounded to the nearest hundreds)
Cost with tax and tip- $30.12 x 120%=$36.14(rounded to the nearest hundreds)
Final cost- $36.14
Answer:
x = 7.5
Step-by-step explanation:
A line parallel to a side of a triangle and intersecting the other 2 sides, divides those sides proportionally, that is
= ( cross- multiply )
8x = 60 ( divide both sides by 8 )
x = = 7.5
Answer: the speed of the submarine is 5miles per hour
Step-by-step explanation:
The submarine left Hawaii two hours before the aircraft carrier.
Let x = the speed of the submarine
The aircraft carrier traveled at 25 mph for nine hours.
After this time the vessels were 280 miles apart. This means that when they became 280 miles apart, the aircraft carrier has travelled for 9 hours. If the submarine was ahead of the aircraft carrier with 2 hours, that means that the submarine travelled 9 + 2 = 11 hours
Distance travelled = speed × time
Distance travelled by submarine will be 11 × x = 11x miles per hour
Distance travelled by aircraft carrier will be 25 × 9 = 225 miles per hour
If they are 280 miles apart, this would be their total distance. Therefore,
225 + 11x = 280
11x = 280 - 225 = 55
x = 55/11 = 5miles per hour
Answer:
C. x + y = 4
Step-by-step explanation:
hard to explain sorry T-T and im really tired lolol