Question

3 pens and 2 erasers cost $5. 3 pens and 3 erasers cost $5.70. How much do
2 erasers cost?​

Answer 1

Answer:

may be it is the answer of the question

Answer 2

Answer:

cost of 2 erasers =2 \times 0.20= $ 0.40

Step-by-step explanation:

Let cost of one pen and eraser is $ x and $y

cost of 3 pens and 2 erasers

3x+2y = $ 5.3------------------(1)

and 3x+3y= $ 5.70----------(2)

Subtracing ( 1) from(2)

y= $ 5.7- $ 5.30=$ 0.20

Thus cost of 2 erasers =2 \times 0.20= $ 0.40