exam
Maths Puzzle
Numerical Ability
A collection of 30 coins worth $5.50 consists of nickels, dimes, and quarters. There are twice as many dimes as nickels. How many quarters are there?
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exam Other Question
(writing linear equations in slope-intercept form)
Find the x and y intercepts of the graph of each equation.
4x-3y = 12
I would greatly appreciate if someone could show me how to answer these problems. Thanks
-troubled student
*A boy can row a boat at a constant rate of 5 mi/hr in still water.