Seudónimo
Seudónimo
16-11-2016
Mathematics
contestada
Problem solving need help
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Аноним
Аноним
16-11-2016
(69+75) ÷ 2 + 3(5.5)
Parentheses first
144/2 + 3(5.5)
Mulitply/divide from left to right
72+16.5
Add/subtract from left to right
88.5
The cost would be $88.50
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