Mrs. Dugan plans to serve 100 barbecue sandwiches at the company picnic. How many packages of barbecue buns will she need if buns come in packages of 8? Packages of 12?

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100 sandwiches, using bun packages of 8 ...

100/8=12.5 Since you cant buy a half a package, round up to 13 packages

100 sandwiches, using bun packages of 12 ...

100/12=8.33 Since you cant have a third of a package, round up to 9 packages