Question

3 pens and 2 pencils cost rs 32 also 9 pens and 3 cost rs 93 .what is the cost of a pen and 4 pencils​

Answer 1

Answer:

3P+2Q=32

9P+3Q=93

multiply by 3 in eqn i

9P+6Q=96

9P+3Q=93

subtract both

3Q=3

Q=1

hence Put the value of Q in eqn i

3P+2=32

3P=30

P=10

now cost of 1 pen is 10

and cost of 4 pencil is 4*1=4

Answer 2

Step-by-step explanation:

8) 3 pens and 2 pencils cost rs 32. Also 9 pens and 3 pencils cost rs 93. What is the total cost

of a pen and a pencil?

yzy d