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drek231 [11]
3 years ago
10

42 is 30% of what number??? Add work plz

Mathematics
1 answer:
romanna [79]3 years ago
7 0
X - the number

30\% x =42 \\
\frac{30}{100}x=42 \\
\frac{3}{10}x=42 \\
x=42 \times \frac{10}{3} \\
x=\frac{420}{3} \\
x=140

42 is 30% of 140.
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