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30 August, 02:23

Roman missed 7 out of 90 problems on a math test. What percent of the questions did he answer correctly

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  1. 30 August, 03:44
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    He answered 92% of the questions correctly.

    To find the percent of questions he answered correctly you need to subtract 90 by 7 so that you get the questions that were correct which will give you 90-7 and you'll get 83.

    Next you want to find what 83 is of 90 so you would use division. 83/90≈0.9223. Next you want to round by the nearest hundredth to get the percent. The rounding will then become 0.92. 0.92 can be changed into 92%.
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