In a(n) a. international baccalaurete b. advanced placement c. dual credit d. articulated credit international baccalaureate advanced placement dual credit articulated credit program, a student must pass an exam at the end of course with a 3 out of 5 in order to get college credit. some colleges require even higher scores or they will not accept the credit.

Acompany manufactures x units of product a and y units of product b, on two machines, i and ii. it has been determined that the company will realize a profit of $3 on each unit of product a and $4 on each unit of product b. to manufacture a unit of product a requires 7 min on machine i and 5 min on machine ii. to manufacture a unit of product b requires 8 min on mchine i and 5 min on machine ii. there are 175 min available on machine i and 125 min available on machine ii in each work shift. how many units of a product should be produced in each shift to maximize the company's profit p?