A printer printed 68 letters in 4 seconds. If it prints letters at a constant speed, it can print ______ letters in 30 seconds.

Numerical Answers Expected!

Answer for Blank 1:

Respuesta :

64:4 = x:30

30/4 = 7.5

64 x 7.5 = 480 letters in 30 seconds

Answer:

510 Letters in 30 seconds.

Step-by-step explanation: