7. what does the development of hook-and-loop tape illustrate?
a the role of the microscopic world in creating new materials
b the use of common sense to create new products
c the role of luck in bringing new products to market

(8t + 10t) + 55*12t= 300300

18t + 660t = 300300

t = 442.920354

time that number by each ticket type( do not round up). That'll give you each type of tickets sold.

8*442.920354 = 3543.36283

10*442.920354 = 4429.20354

55 *(12*442.920354) = 292327.434

if you add them up = 300300