exam Maths Puzzle Numerical Ability

The drama club is selling candles. They pay $22 for the advertising brochures and $3.25 for each candle. If they sell each candle for $6.50, how many candles must they sell to break even?

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exam Other Question

put equations into y= and change them so they are shaded inequalities - I have no idea what this is talking about !!!! HELP PLEASE
y<=1/2x+8
y>-2x+4
y>2x+4
THANKS M over 6 subtract 7 =2 over 3 and x subtract 5 over 8 = 7 over 8