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emmainna [20.7K]
3 years ago
13

A survey showed that 30% of students bring their lunch to school. The survey polled 300 students. How many of the 300 students d

o not bring their lunch to school
Mathematics
1 answer:
Karolina [17]3 years ago
8 0

Let's first find how many students bring their lunch to school. This is 30% of 300. To find this value, convert the percentage to a fraction (or decimal) and multiply:

30\% \,\, \textrm{of} \,\,300 = \dfrac{3}{10} \cdot 300 = \dfrac{900}{10} = 90


Since 90 students bring their lunch to school, we can say 210 students do not bring their lunch to school. (300 - 90 = 210)

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Saving is the portion of income not spent on current expenditures. In other words, it is the money set aside for future use and not spent immediately.

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The complete question is

Benito's family is thinking of relocating from Los Angeles to Oakland to save money. They set up a budget comparing the cost of living for both cities. Oakland Los Angeles Budget Item Cost Cost Housing $565 $1200 Food $545 $655 Health Care $245 $495 Taxes $450 $625 Other Necessities $350 $495 Monthly Total How much money will they save monthly by the move to Oakland? $1315 $1560 $1665 $1765?

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