Solution: Find the relationship between the coach class seat and the first class seat. Then solve for the unknown.
First class seat = x
Coach class seat = 6x + 5
x + 6x + 5 = 152
7x = 147
x = 21 <======== number of first class seats
6x + 5 = 6 x 21 + 5 = 131 <======== number of coach class seats
Answer:
This is a proportional relationship because for every increase in x there is an increase of 2 in y starting out x=1 y=4
Step-by-step explanation:
Answer:
The cost of 5 gallons of fuel would be 5x assuming the cost of 1 gallon to be x.
Step-by-step explanation:
An old truck has a fuel efficiency rating of 12 mpg.
We have to find the cost of gasoline that will be used up after we drive 60 miles.
To drive 60 miles , it uses 5 gallons.
let the cost of 1 gallon of fuel be x.
We have to find the cost of 5 gallons of fuel.
So the cost of 5 gallons of fuel = 5
= 5x
I should be on the black dot ☺️
Q. The area of David's living room is 18.087 square yards, and their bedroom has an area of 15.78 square yards.Round to the nearest tenth and estimate the amount of carpet they need to buy. PLZ HELP!!
A. 33.867 and rounded is 33.9
