The answer is 2
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He can use:
a quarter and a dime (difference: 15)
a quarter and two nickels (difference: 20)
a dime and three nickels (difference: 5)
two dimes and a nickel (difference: 5)
In the secant secant theorem,
AP × BP = CP × DP
AP × 6 = 7 × 12
AP = 7 × 2 = 14
Answer: 14
263.25 is the volume of the box in inches cubes you have to multiply 4.5 by 9 by 6.5
Eighty four divided by 6 is 14