Three-fourths of Mrs. Hoffman's fifth-grade students are boys. To make the number of boys and girls equal, 8 boys go to the other fifth grade class and 8 girls come from that class into Mrs. Hoffman's class. Now one-half of her students are boys. How many students are in Mrs. Hoffman's class?

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A: There are 15 books on the shelf. All of the books are either about Winston Churchill or Queen…

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Q: 50% of the students in a school were boys. 20% of the boys and 2/3 as many girls as boys took part…

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Q: suppose your class sells gift wraps for $4 per package and greeting cards for $10 per package. Your…

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Q: Andrew and Ryan shared some chocolates. Andrew gave away 1/4 of his chocolates. 1/4 of the given…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.