A shipping department hires two delivery services

Ответ:

alexandroperez13

23.01.2022

$600\text{ and }1800$

Step-by-step explanation:

GIVEN: A shipping department hires two delivery services to deliver 2400 packages. One service will deliver times as many packages as the other.

TO FIND: Find the deliveries by each service.

SOLUTION:

Let the deliveries done by first service be

Let the deliveries done by second service be

As, one service deliver $3 \text{ times}$ the other

x=3y

Total deliveries done by both serivces =2400

x+y=2400

putting value of from above

3y+y=2400

4y=2400

y=600

as x=3y

$x=3\times600=1800$

Therefore deliveries done by both services are 600 and 1800 respectively

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