If you spend at least $50 (including shipping) at an online store, you receive a $10 giftcard. you want to buy cds that cost $12.50 each. if shipping costs $5 , write and solve an inequality to find the number of cds you must buy to receive the gift card.

Larger pets need to be transported in larger portable kennels. using a graphing calculator and the relationship between the width, length, and height, find the dimensions of a portable kennel whose volume is 7.4 ft3. the dimensions of a portable kennel can be expressed as width x, length x + 0.4, and height x − 0.2? what are the dimensions of a portable kennel with a volume of 7.4 ft3? use a graphing calculator to solve. round the dimensions to the nearest tenth.