X+3y+12+5y it's confusing and I can't gwt the answer

Alex and his father took a taxi cab that charges $2.60 per mile plus $1.50 for each passenger, and they paid a total of $18.60. Alex wrote the equation 18.60=2.60b+3 for this situation and found b=6. Which statement is true about the solution b=6?

my goal is to take at least 10,000 steps per day according to the prime meter you have I have walked 5274 steps write and solve an inequality to find the possible number of steps you can take to reach your goal

In the equation 4x2-5x=21, what is the value of b? 4 - 5 - 21

In a relay race 5 friends ran an equal share of the distance. The total distance of the race was 3 miles

How other ways can you re-write 16 and 3/4

Choose the correct translation for the following statement. It must exceed seven.

A diver is 4 meters below sea level. What integer represents the location of the diver?

How bigger is a 1 ¼ inch button than a ⅝ inch button

What is the slope of a line represented by the equation 2y=x-4

The first year of a charity walk event had an attendance of 500. The attendance y increases by 5% each year. How many people will attend in the 10th year?