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ALGEBRA: Sandra Woo delivers flowers. She earns $5.50 to deliver a small arrangement and $8.25 to deliver a large arrangement. Last week she made 52 deliveries and earned a total of $343.75. How many LARGE arrangements did she deliver?

Respuesta :

Answer:

the large arrangement be 21

Step-by-step explanation:

The computation of the large arrangements she delivered is as follows:

Let us assume the small arrangement be x

And, the large arrangement be y

Now as per the question

5.50x + 8.25y = $343.75 ......(1)

x + y = 52........(2)

We can write as

x = 52 - y

Now put the x value in the (1) equation

5.50(52 - y) + 8.25y = $343.75

$286 - 5.50y + 8.25y = $343.75

2.75y = 57.75

y = 21

Hence, the large arrangement be 21

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