MRS. JONES HAS THREE DOGS. SHE BUYS DOG BONES AT PET SMART, WHERE
SMALL BONES COST $0.08 EACH, MEDIUM BONES COST $0.13 EACH, AND LARGE
BONES COST $0.19 EACH. MRS. JONES SPENT A TOTAL OF $0.85 FOR 6 BONES. IF
SHE BOUGHT AT LEAST ONE OF EVERY SIZE, HOW MANY BONES OF EACH SIZE DID
SHE BUY?
