6th Class Mathematics Knowing our Numbers

  • question_answer 13)                 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?                

    Answer:

                    Total length of cloth = 40 m = 40 x 100 cm          [\[\because \]1 m = 100 cm] = 4000 cm Cloth needed for one shirt = 2 m 15 cm = (2 x 100) cm + 15 cm = (200 + 15) cm = 215 cm \[\therefore \] Number of shirts stitched out of total cloth        \[\text{=}\frac{\text{Total}\,\text{length}\,\text{of}\,\text{cloth}}{\text{Cloth}\,\text{needed}\,\text{for}\,\text{stitched}\,\text{shirt}}\] \[\begin{align}   & 215)4000(18 \\  & \frac{215}{\begin{align}   & 1850 \\  & \frac{1720}{\underline{130}} \\ \end{align}} \\ \end{align}\] \[=\frac{4000}{215}=18\frac{130}{215}\] Hence, 18 shirts can be stitched and cloth left over is 130 cm i.e. 1 m 30 cm.


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