contestada

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

Respuesta :

The printer would be able to print 510 letters is 30 seconds.
so first we want to divide 68 and 4 which would give us 17 so now we want to times 14 and 30 so 14 X 30 = 420 so there is you answer 
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