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30% of a number is 90, then what is 50% of the same number? a. 250 b. 50 c. 350 d. 150​
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30% of a number is 90, then what is 50% of the same number? a. 250 b. 50 c. 350 d. 150​

User Vtolentino
by
7.6k points

1 Answer

4 votes
To solve this we need to figure out what 100% is
90 30
— = —
X 100
Cross multiply
90x100=9000
30 x X=30X
9000=30X
X=300
100%=300
50% of 300
(1 half of)
Equals 150
d. 150
User Michael Kolber
by
8.2k points
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