21 is 30% of what number?
2 answers:
<u>Answer</u>:
21 is 30% of 70
<u>Explanation</u>:
We know that 100% is the original number.
Equation:
(21/30)*100
21/3 * 10
7 * 10
70 ....this is the answer, original number.
Answer:
70 i belive
Step-by-step explanation:
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The answer would be D, 2 cm represents 12 cm. 2/12=1/6
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the answer is 80
m∠8 + m∠7 = 180°
therefore
m∠7 = 180° - m∠8
m∠8 = 124°
substitute:
m∠7 = 180° - 124° = 56°
Answer: 56 degrees
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