$\"\"$

Let y is the number of tickets and x is the number of days.

The word $\"\"$ the product of rate of sold by Akira (30 per day) and number of days plus Alberto $\"\"$ s sold tickets 22 $\"\"$ represents $\"\"$ .

The number of pages studied by Akira is $\"\"$ .

The word $\"\"$ the product of rate of sold by Jean (20 per day) and number of days plus Jean $\"\"$ s sold tickets 53 $\"\"$ represents $\"\"$ .

The number of pages studied by Jean is $\"\"$ . $\"\"$

Graph the equations on the coordinate plane which contain number of days on the x - coordinate and number of tickets sold on the y - axis, and find the intersection point.

$\"graph$

Observe the graph, the graph appear intersect at $\"\"$ . So, Akira will have sold more tickets than jean after 3 days. $\"\"$

The solution are

(a) Equations are Akira: $\"\"$ $\"\"$ and Jean: $\"\"$ .

(b) The equations $\"\"$ and $\"\"$ and their graph is

$\"graph$