Mrs. Benson has graded 46 math assignments but has 80% of the assignments left to grade. Mrs. Benson has how many math assignments left to grade.

Mrs. Benson has 184 math assignments left to grade.

Step-by-step explanation:

Here we have , Mrs. Benson has graded 46 math assignments but has 80% of the assignments left to grade.We need to find Mrs. Benson has how many math assignments left to grade. Let's find out:

Let total Number of math assignments be x , So According to question 46 math assignments are graded & 80% are left i.e.

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Now , Assignments left to grade is :

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Therefore , Mrs. Benson has 184 math assignments left to grade.

so, converting firstly the mixed fractions to improper fractions and then "adding".