YOur greeatest common factor is 216. If you prime factor them it comes out to 216. Good luck.
Answer:
15
Step-by-step explanation:
Use the Pythagorean Thereom:
= 
+
= 81+144
= 225
= 15
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Answer:
8 nickels and 9 dimes
Step-by-step explanation:
If all were dimes, the value would be $1.70. It is $0.40 less than that. Changing a dime for a nickel reduces the value by $0.05, so there must have been $0.40/$0.05 = 8 such changes.
There are 8 nickels and 9 dimes.
_____
<em>Check</em>
8 · 0.05 + 9 · 0.10 = 0.40 + 0.90 = 1.30 . . . the answer checks OK
Answer:
Step-by-step explanation:
Hope I helped!
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