1. 80% of what number is 12 =
2. 7 is 70% of what number =
with solution
Answer:
1.) 80% of what number is 12 ?
[tex]0.80 \: \times \: n \: = \: 12 \\ \frac{0.80 \: \times \: n}{0.80} \: = \: \frac{12}{0.80} \\ \\ n \: = \: 15[/tex]
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2.) 7 is 70% of what number?
[tex]7 \: = \: 0.70 \: \times \: n \\ \frac{7}{0.70} \: = \: \frac{0.70 \: \times \: n}{0.70} \\ \\ n \: = \: 10[/tex]
