Explanation:
30 ×90=27
100.
first you put 30 on 100
one zero will cancel out the other zero leaving
3 on 10
we then multiply 3 by 90 we then get 270
we then divide 270 and 10 leaving us with 27
Answer: 90
30% × ? = 27
? =
27 ÷ 30% =
27 ÷ (30 ÷ 100) =
(100 × 27) ÷ 30 =
2,700 ÷ 30 =
90
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