How is a company whose stock is worth less able to purchase a company whose stock is worth more?

Might be a dumb question but I’m relatively new to the stock world. If Company A is worth $10 a stock and Company B is worth $20 a stock how is A able to purchase B?

Submitted January 24, 2018 at 10:04AM by dunesix http://ift.tt/2DDCXqC