A security business invoices its 30,800 customers on the first day of each month?

A safety enterprise invoices its 30,800 prospects on the primary day of every month, with every of the 2 computer systems doing half the job. One invoicing machine produces on the charge of seven,700 per hour, and the opposite on the charge of 6,800 per hour.

“every of the 2 computer systems doing half the job”, subsequently every of the 2 computer systems produces an equal variety of invoices.

so.. 30,800/2 = 15,400 invoices

They simply differ on the variety of hours to complete.

7700x = 15400
x = 2 hrs. <— 1st laptop

6800y = 15400
y = 2.2647 hrs. <— 2nd laptop

That is how i perceive the issue =(

Answer Prime

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