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Dafna11 [192]
3 years ago
13

Find the value of X and Y. Show your work.

Mathematics
1 answer:
zmey [24]3 years ago
8 0
7x - 4 = 31
7x = 31 + 4
7x = 35 
x = 35/7
x = 5

4y + 8 = 24
4y = 24 - 8
4y = 16
y = 16/4
y = 4

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160 is 120% of what number?
LuckyWell [14K]
120 % = 160

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Find 1 % :
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120% = 160
1% = 160 ÷ 120
1% = 4/3

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Find 100% :
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1% = 4/3
100% = 4/3 x 100
100% = 133 1/3

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Answer: 160 is 120% of 133 1/3
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8 0
3 years ago
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Rainbow [258]

Answer:

Because 20 has to be doubled to become 40. While 40 is twice as much as 20 so you just divide 40 by 20 to get 50%.

Explanation:

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lara31 [8.8K]

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4 0
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