90percent hydrogen 10percent helium
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90 percent is 90/100, simplified to 9/10 (nine over ten).
go in the victory road and look around for items and 90percent of the time it should be the razor claw
550 + 550 = 1100
30% off $550 = $385= $550 - (30% * $550)= $550 - (0.30 * $550)= $550 - $165= $385
495550 decreased by 10 percent= 550 - (10% * 550)= 550 - (0.10 * 550)= 550 - 55= 495
76% of 550 = 76% * 550 = 0.76 * 550 = 418
32% of 550= 32% * 550= 0.32 * 550= 176
90% of 550= 90% * 550= 0.9 * 550= 495
36% of 550= 36% * 550= 0.36 * 550= 198
60% of 550= 60% * 550= 0.6 * 550= 330