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elena-14-01-66 [18.8K]
3 years ago
10

Christen sells boxes of cookies for $4 each. Rafael sells boxes of cookies for $7 each. Each of them sold the same dollar amount

. It was the smallest dollar amount for which this was possible. What was the dollar amount each of them sold? How many boxes did Christen sell?
Mathematics
2 answers:
otez555 [7]3 years ago
7 0

Answer:

28 dollars, Christen sell 7 boxes and Rafael sell 4 boxes.

Step-by-step explanation:

We can make a list to see the rate of amount and dollars they got:

Boxes:     1,    2,  3,  4,   5,    6,    7,   8

Christen: 4,   8, 12, 16, 20, 24, 28, 32  ($)

Rafael:     7, 14,  21, 28, 35, 42, 49, 56 ($)

So the first one in common is 28 dollars, and just match them to the boxes, that's it.

KATRIN_1 [288]3 years ago
3 0

Answer:

28$ and christen sold 7 boxes while Rafael sold 4

Step-by-step explanation:

lower common multiple so take 4 x 7 = 28 as then take the 28 and divide by how much Christen gets a box which is 4 and 28 divided by 4 is 7

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