32x + 53 = 501
-53 - 53
<u>32x</u> = <u>448</u>
32 32
x = 14
1. X=2+1/2y+1/2z
2. X=-1+2y+z
3. X=16/3-1/3y-1/3z
<h2>
Answer:</h2><h2>
The correct option is d. (i) and (ii)</h2>
Step-by-step explanation:
The total miles covered per day = 45
No of commuting days in a week = 5
Total miles in a week = 45 * 5 = 225
The total amount spent on gasoline = $ 38
Cost of gasoline per gallon = $ 2.48
The number of gallons consumed per week = = 15.32 gallons of gasoline per week.
This confirms (ii) statement
The amount spend on gasoline per mile = = $0.17
This confirms (i) statement
The number of miles per gallon of gasoline = = 14.68 miles
The statement (iii) is false.