farahchehab farahchehab

16-12-2017
Mathematics

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 :

helpmetnx helpmetnx

16-12-2017

We can write this as a proportion
68/4 = x/30
cross multiply
68 * 30 = 4x
2040 = 4x
divide both sides by 4
510 = x

It can print 510 letters in 30 seconds.

Hope this helps :)

Answer Link

jondough2436776 jondough2436776

06-01-2021

Answer:

510 in 30 sec

Step-by-step explanation:

Answer Link

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