Respuesta :

135 ; If you are allowed to use a calculator to determine percents you can do 300 × 45% = and it gives you your answer.

Answer:

Answer:

135

Explanation:

45% means 45 out of 100

Serving 300 times means 45 not returned each 100

300 /100 = 3

  45 × 3 = 135

Step-by-step explanation: