To stitch a shirt 2 m 15 cm cloth is needed. Out of 40 m cloth, how many shirts can be stitched and how much cloth will remain?

We can find the number of shirt by dividing the length of the cloth by cloth needed for one shirt.

Answer: Out of 40 m cloth, 18 shirts can be stitched and 1 m 30 cm cloth will remain.

Let's find the number of shirt and the length of the cloth will remain.

Explanation:

Cloth required to stitch 1 shirt = 2 m 15 cm = 200 cm + 15 cm {Since 1 m = 100 cm}

= 215 cm

The length of cloth available = 40 m = 40 × 100 cm {Since 1 m = 100 cm}

= 4000 cm

Now, the number of shirts that can be stitched = (cloth available)/(cloth required for 1 shirt)

= 4000/215

≈ 18.60

Since the number of shirts cannot be a decimal number, the number of shirts that can be stitched must be 18.

Hence Cloth required to stitch 18 shirts = 18 × 215 cm = 3870 cm

Therefore, Length of the remained cloth = 4000 cm - 3870 cm = 130 cm

130 cm = 100 cm + 30cm = 1 m 30cm {Since 1 m = 100 cm}

Thus, Out of 40 m cloth, 18 shirts can be stitched and 1 m 30 cm cloth will remain.