Question

5) A grocer sells one kind of tea at Rs. 2.70 per kg., and loses 10 % and another at Rs. 4.50 per kg., and gains 12.5%
How should the two quantities of tea be mixed so that the mixture may be sold at Rs. 3.95 per kg at a profit of 25%​

Answer 1

Answer:

21:4

I hope you help in my answer

Answer 2

Answer:

21 : 4

Step-by-step explanation:

LONG METHOD

Calculate all C.Ps

(C.p1 - 2.7)/C.p1 = 10/100 = 1/10

C.p1 = 3 /kg

(4.5 - C.p2)/C.p2 = 12.5/100 = 1/8

C.p2 = 4 /kg

(3.95 - C.p3)/C.p3 = 25/100 = 1/4

C.p3 = 3.16 /kg

Now, (3*x + 4*y)/(x+y) = 3.16

0.84y = 0.16x

x : y = 21 : 4

SHORT METHOD

CP1 SP1

10. 9

9=>2.7

10 => 3

CP2. SP2

8. 9

9=>4.5

8=> 4

CP3. SP3

4. 5

5=>3.95

4=> 3.16

3. 4

\. /

3.16

/. \

(4-3.16). (3.16-3)

ANSWER 21 : 4