Pre Algebra: Word Problems with Fractions

1. Sunny went grocery shopping but had to go to multiple stores to get everything off of his wife's list. He bought $\dfrac{1}{3}$ of what he needed from the mega mart. He then bought $\dfrac{1}{5}$ of the list from the local market. Finally, he bought $\dfrac{3}{10}$ of the list from the farmers market. What fraction of his groceries does he still need to get?

(A) $\dfrac{5}{6}$

(B) $\dfrac{13}{15}$

(D) $\dfrac{23}{30}$

(E) $\dfrac{1}{6}$

2. Fiona's classroom were going to have a party. The students voted for what type of party they wanted. $\dfrac{1}{3}$ of the class voted for pizza, $\dfrac{1}{5}$ voted for donuts, and the rest said they didn't care what type of party it was. What fraction of students didn't care?

(A)$\dfrac{5}{7}$

(B)$\dfrac{7}{15}$

(C)$\dfrac{8}{15}$

(D)$\dfrac{1}{9}$

(E)$\dfrac{2}{7}$

3. Fiona's classroom were going to have a party. The students voted for what type of party they wanted. $\dfrac{1}{3}$ of the class voted for pizza, $\dfrac{1}{5}$ voted for donuts, and the rest said they didn't care what type of party it was. If there were 21 students who didn't care what type of party the class was going to have, then how many students are in the class including the teacher?

(A) 40

(B) 46

(D) 44

(E) 22

4. In a biology class, a report is due in 1 month. One week before the assignment is due, $\dfrac{1}{8}$ of the class has finished the report and $\dfrac{2}{3}$ of the class started the research. What fraction of students haven't started the report?

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