[Ava has some pennies and some nickels. She has at most 20 coins worth a minimum of $0.48 combined. If Ava has 7 pennies, determine the minimum number of nickels that she could have.] [ke moc tui] [rừng nauy] [thép] [Has the largest bond-dissociation energy(A)B2(B)N2(C)O2(D)F2] [Nguyễn Đễ] [usps jobs warsaw missouri] [半步] [Tôi Từng Nghĩ Mọi Thứ Sẽ Ổn Khi Trở Thành Người Lớn] [PALABRAS CON eab]