Aclothing manufacturer has 1,000 yd. of cotton to make shirts and pajamas. a shirt requires 1 yd. of fabric, and a pair of pajamas requires 2 yd. of fabric. it takes 2 hr. to make a shirt and 3 hr. to make the pajamas, and there are 1,600 hr. available to make the clothing.
i. what are the variables?
ii. what are the constraints?
iii. write inequalities for the constraints.