Exam
Maths Puzzle
Permutation and Combination
You have a money jar containing nickels(.05) and quaters(.25) worth $1.55. The money jar contains 11 coins. How many of each coin do you have?
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Exam Other Question
what is [fog](x) if f(x+2X=7 and g(x)+-3x=4
Can you please explain how do the following problem?
2x/2 + 10 = x/10 +2
what is the value of x - 1?