2. A cat owner gets a vitamin prescription from his veter- inarian that lists the dosage as 2.5 mL twice a day. The bottle contains 200 cc . How many days will the bottle last?

\( 25+|(-9)-(-7)||| \)

8. Juan debe 160 € en la charcutería. Cuatro de sus amistades quieren ayudarlo, dándole 20 euros cada uno. ¿Qué deuda tiene Juan ahora?

A nurse is preparing to administer tobramycin \( 4 \mathrm{mg} / \mathrm{kg} / \) day IM divided in three equal doses to a client who weighs 60 kg . Available is tobramycin \( 40 \mathrm{mg} / \mathrm{mL} \). How many mL should the nurse administer per dose? (Round the answer to the whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Jill wrote the number 40 . If her rule is add 7 , what is the fourth number in Jill's pattern? How can you check your answer?

c) \( [(+9)-(-11)] \cdot(-4) \) d) \( -(-1)-(-9) \cdot[(-7)-(+11)] \)