Mathematics, 12.02.2021 16:00 ninilizovtskt

In a supermarket, the amount of tills needed is directly proportional to the number of customers waiting. A supermarket will open 7 tills if there are 161 customers in the shop. Show that 12 tills are needed if the number of customers rises to 276.

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In a supermarket, the amount of tills needed is directly proportional to the number of customers wai...