Mary Bought Pound of Two Sorts of Cookies for $1

Multiple Choice

Mary bought pound of two sorts of cookies for $1 per pound. If cookie with apricot jam $0.90 per pound and cookies with lemon jam $1.20 per pound, how many pounds of cookies with apricot jam did she buy? NOTE: Round your answer to the nearest tenth.

A) 0.7 lb. of cookies with apricot jam
B) 0.8 lb. of cookies with apricot jam
C) 0.5 lb. of cookies with apricot jam
D) 0.6 lb. of cookies with apricot jam
E) 0.9 lb. of cookies with apricot jam