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Maths Puzzle
Numerical Ability
A magnetic head has worn down to the chord line AB measuring .250 inch. If the orginal gap depth is .125 inch how much useful head life remains ?
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How many pounds of candy selling for $5.80 per pound should be mixed with 7 pounds of candy selling for $2.40 per pound to obtain a mixture selling for $3.42 per pound?
twenty-one minus the sum of fifteen and five
How would i write this problem out in mumerical form