Question

If 2 dozen pencils cost $ 30.00,what is the cost of 7 pencils

Answer 1

2 dozen pencils = 2 x 12 = 24

Find the cost of 1 pen:

24 pens = $30

1 pen = 30 ÷ 24 = $1.25

Find the cost of 7 pens:

1 pen = $1.25

7 pens = 1.25 x 7 = $8.75

Answer: 7 pens cost $8.75

Answer 2

1 dozen = 12 pencils

2 dozen = 2 x 12 = 24 pencils .

given

24 pencils cost = $30.00

1 pencil = 30 ÷ 24 = $1.25

7 pencils = 7 x 1.25 = 8.75.

hence , cost of 7 pencils = $8.75