exam Maths Puzzle Numerical Ability

Please help me solve this word problem: If 110 students voted for Alyssa for class president, 60 students voted for bob, and 30 students voted for Charles, Calculate the percentage of the class that voted for each candidate.

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exam Other Question

Solve the following system of linear inequalities graphically.

3x+2y<=12
x>=2

please help i'm soo stuck i also tryed this problem and need to know if its right. can someone please tell me if i did this right or wrong? 35x^3y^3/(over)7x^2y^4 i had gotten
5x^3-2 y^3-4 and they answer i got was 5xy