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Buttons are sold in packets and in boxes.
There are 6 buttons in a packet.
There are 15 buttons in a box.
Nomusa buys packets of buttons and boxes of buttons.
She buys a total of buttons.
Write a formula for in terms of and .

Answer :

raymondgao2018

Answer:

Let the number of packets be x and the number of boxes be y.

Then, the formula is 6x + 15y

Step-by-step explanation:

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