Pens and Pencil Sold, Inequalities

Question

Ms. James is selling pens and pencils. The total Number of pens and pencils sold does not exceed 60, but she at least sold 15 pens. The number of pens sold is less than or equal to twice the number of pencils sold

1. Taking x to be the number of pens sold and y the number pencil sold. Write three inequalities that satisfy the above conditions

Answer 1

x = pens

y = pencils

x+y<=60 <--- total # of pencils and pens sold does not exceed 60

y>=15 <--- she sold at least 15 pens

y<= 2x <--- # of pens is less than or equal to twice the # of pencils