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denis23 [38]
3 years ago
14

HELPPPPPPPPPPPP PLZZZZZZZZZZZZ NO LINKS PLEASE AND THANK YOU .

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
4 0
Let’s choose the first one, and do the proportions.

x/30 = 90/100
Cross multiply and you have
100x = (30)(90)
100x = 2700
x = 27

And the fourth one: multiply by the decimal equivalent of the percent.
90% = 90/100 = 0.9
0.9 x 30 = 27

You chose these because your “online tutor” finds them easiest to explain XD
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