exam Maths Puzzle Numerical Ability

7-3=r-4(2+r)

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exam Other Question

In one year, there were 252 accidents in a rural town. The following year, there were 569 accidents. What was the percentage of increase in accidents?

Please provide formula f Nick has 7 more nickles than Dan has dimes. If Dan gives Nick 4 dimes, how much money will they have all together?