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Lorico [155]
3 years ago
10

Maria bought 7 boxes. A week later half of all her boxes were destroyed in a fire. she only has 22 boxes left. How many did she

start with?
(I need an equation not an answer)
Mathematics
1 answer:
Black_prince [1.1K]3 years ago
3 0
You can add 22+7 =29 so Maria started with 29
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8 0
3 years ago
-0.4a+3=7<br><img src="https://tex.z-dn.net/?f=%20-%200.4a%20%2B%203%20%3D%207" id="TexFormula1" title=" - 0.4a + 3 = 7" alt=" -
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Sorry if I'm wrong
a = 10
this what I did
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