In our solar system, 6 of the 8 planets have moons. What percentenge of the planets have moons
2 answers:
Use the information to form a ratio... 6:8 or 6/8. Now set it equal to a ratio per 100...
6/8 = x/100
Cross multiply
8x = 600
x = 600/8
x = 75
75% have moons
If you divide 6 by 8 you get 75 %
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