exam
Maths Puzzle
Numerical Ability
bill has $3.75 in quarters,dimes,and nickels. he has twice as many quarters as dimes and three more dimes than nickels. find how much of each coin bill has.
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exam Other Question
The electricity costs of a business decreased from $12,000
one year to $10,920 the next. What is the rate of decrease?
Write the equation in quadratic form and solve by factoring.
x(x-7) + 12 = 0