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Naya [18.7K]
2 years ago
15

What is 75 percent of 30?

Mathematics
2 answers:
Arturiano [62]2 years ago
7 0
So percent means parts out of 100 so 75%=75/100=3/4
3/4 of 30
'of' means multiply
3/4 times 30=90/4=45/2=22.5
22.5 is the answer (or 22 and 1/2)
iVinArrow [24]2 years ago
4 0
30/4 is 7.5 and 7.5 times 3 is 22.5 so 75% of 30 should be 22.5
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Evaluate the expression
fgiga [73]
Simplify the following:
2^3 (4×36/12 + 1/4)

4×36/12 = (4×36)/12:
2^3 ((4×36)/12 + 1/4)
2^3 = 2×2^2:
2×2^2 ((4×36)/12 + 1/4)
2^2 = 4:
2×4 ((4×36)/12 + 1/4)
2×4 = 8:
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36/12 = (12×3)/12 = 3:
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4×3 = 12:
8 (12 + 1/4)
Put 1/4 + 12 over the common denominator 4. 1/4 + 12 = 1/4 + (4×12)/4:
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4×12 = 48:
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1/4 + 48/4 = (1 + 48)/4:
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1 + 48 = 49:
8×49/4

8×49/4 = (8×49)/4:
(8×49)/4
8/4 = (4×2)/4 = 2:
2×49
2×49 = 98:
Answer: 98
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