# algebra

a theater has 850 seats,60% of which are in the orchestra. how many seats are not orchestra?

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1. 850 x .60 = 510

take that number 510 and then

850-510= ______?

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2. Note that if you want to find the percentage of a number you have to take the percentage and then divide by 100 then mutiply that by the number you want the percent of.

example:
70% of 200
70% => .70
.70 x 200= 140

and to find the number not included here in the 70% then just subtract the number found from the original number
given, thus:

200- 140= 60

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