exam
Maths Puzzle
Numerical Ability
Find values for m and b in the following system so that the solution to the system is (-3, 4). 5x + 7y = b mx + y = 22
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exam Other Question
1/5 - 1/a
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5 - a
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5
Mary has $3.00 in nickels, dimes, and quarters. If she has twice as many dimes as quarters and five more nickels than dimes, how many coins of each type does she have?