The given radical root 84, the simplification is option B; 
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<h3>What is a simplification of an expression?</h3>
Usually, simplification involves proceeding with the pending operations in the expression.
Simplification usually involves making the expression simple and easy to use later.
The given radical;
Thus, the correct option is B; .
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Ratio gives the fractional division of a whole into a given portion. Manu's will get 400 while Swapna will get 560.
To divide 960 in the ratio 5 : 7
- Sum the ratio = (5 + 7) = 12
- Manu's share = 5 × (960/12) = 400
- Swapna's share = 7 × (960/12) = 560
Therefore, Manu and Swapna's share is 400 and 560 respectively.
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Answer: 5/2
Step-by-step explanation:
Cross multiply
18 = 8x - 2
20 = 8x
20/8 reduces to 5/2
b=3a-1
2a+b=b+18
2a+3a-1=3a-1+18
5a-1=3a+17
2a=18
a=9
b=3(9)-1
b=27-1
b=26
The numbers are 9 and 26
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Let x be the number of $5 items sold.
Let y be the number of $25 items sold.
x + y = 150
x = 150 - y .........(1)
5x + 25y = 1950 ......(2)
Plugging the expression for x from (1) into (2), we get:
5(150 - y) + 25y = 1950
750 - 5y + 25y = 1950
20y = 1200
y = 60 items.
The answer is, there were 60 items sold at $25.
