At a butcher shop, hilda bought 8 1/4 lb of beef and some pork. She left with 17 17/20 lb of meat. Express the number of pounds of pork she bought using a decimal.

Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.