exam Maths Puzzle Numerical Ability

as part of a promotion, a local bank invites its customers to view a large sack full of $5, $10, and $20 gold pieces, promising to give the sack to the first person able to state t

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exam Other Question

You have at least $30 in change in your drawer, consisting of
dimes and quarters. Write an inequality that shows the different number of coins
in your drawer. I need help solving this logarithmic equation:
log(x-1)+log(x+2)=2