Question

e- The cost of 7 pens is * 42. Find the cost of 12 pens.​

Answer 1

Answer:

72

Step-by-step explanation:

Cost of 7 pens = 42

cost of each pen = 42 / 7 = 6

cost of 12 pens = 12 x 6 = 72

Answer 2

Answer:

The cost of 7 pens=42

Then the cost of 1 pen =42/7=6

the cost of 1 pen=6

Then the cost of 12 pens =12×6=72.