exam
Maths Puzzle
Numerical Ability
Eric has 130 coins consisting of nickels and quaters. The coins combined value come to $15.90. Can you please help me find out how manyof each coin eric has.
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exam Other Question
How would you solve this problem? I have tried and tried to solve this problem and I can't seem to find out the answer. It's multiple choice>
2 2
{{{x * x -x-56}
When there is only 2 I have no trouble but when 3 or more is added I get all messed up.
Solve each of the following systems of linear inequalities graphically.
3x-y<=6
x>=1
y<=3