mixing 2 varieties of X and Y of cofee in the ratio 2.5 what percentage of the mixture is type
Answers
Explanation:
Consider the amount of pulse of price Rs15 =x
And the amount of pulse of price Rs20 =y
Then the total amount of mixture =15x+20y
But the price per kg of mixture =Rs16.50
So, total price of x+ykg =16.50(x+y)
Now according to the equation
16.50(x+y)=15x+20y
16.50x+16.50y=15x+20y
1.50x=3.50y
y
x
=
1.50
3.50
=
0.3
0.7
=
3
7
Hence, required Ratio is 7:3
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Answer:
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In what ratio must a grocer mix two varieties of pulses costing Rs.15 and Rs.20 per kg respectively so as to get a mixture worth Rs.16.50 kg?
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Solution
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Correct option is
C
7:3
Consider the amount of pulse of price Rs15 =x
And the amount of pulse of price Rs20 =y
Then the total amount of mixture =15x+20y
But the price per kg of mixture =Rs16.50
So, total price of x+ykg =16.50(x+y)
Now according to the equation
16.50(x+y)=15x+20y
16.50x+16.50y=15x+20y
1.50x=3.50y
y
x
=
1.50
3.50
=
0.3
0.7
=
3
7
Hence, required Ratio is 7:3
Explanation:
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