Question

A. Akshay wants to cut 15 pieces of cloth. Out of the 15 pieces, 7 pieces must be 10 inch 10 inch and
8 pieces must be 8 inch × 8 inch. He must use a 36-inch wide cloth. If he cuts the pieces one after
the other along the length (as shown in the picture), then he will need (7 × 10) + (8 × 8) - 70 + 64 - 134
inches of cloth. Minimise the length he needs to buy.​

Answer 1

Answer:

38 inches

Step-by-step explanation:

Akshay wants to cut = 15 pieces of cloth

7 pieces = 10 inch × 10 inch (1 inch = 2.54 cm)

8 pieces = 8 inch × 8 inch

wide = 36 inches - Length = 134 inches

<-----------------------70 inches-------------->

^□ □ □ □ □ □ □ ■ ■ ■ ■ ■ ■ ■

^□ □ □ □ □ □ □ 1 2 3 4 5 6 7 8

1 2 3 4 5 6 7 |28 28 28 28 28 28 28 28

26 26 26 26 26 26

<--------------------------- 36 inches---------------------------->

^ |10 × 10 | | 10× 10 | | 10 × 10 | | | 8×8 |

^ | 10 × 10 | | 10× 10 | |

^ | 10 × 10 | | 8×8 | 8×8 | 8×8 |

| 8×8 | 8×8 | 8×8 |

NOW :

70 + 26 = 96

134 - 96 = 38 inches

•

• • Minimum length of cloth Akshay needs to buy = 38 inches.

Answer 2

Step-by-step explanation:

38 inches

Step-by-step explanation:

Akshay wants to cut = 15 pieces of cloth

7 pieces = 10 inch x 10 inch (1 inch = 2.54

cm)

8 pieces = 8 inch x 8 inch wide = 36 inches

Length = 134 inches

--70 inches

^☐☐☐☐☐☐☐1 2

3

<

4

5

6

7

8

1 2 3

4

5 6 7 128 28 28 28 28 28

28 28

26 26 26 26 26 26

inches-----

36

^ 110 x 10 | | 10x 10 | | 10 x 10 ||| 8×8 |

| 10 x 10 | | 10x 10 ||

^ | 10 x 10 | | 8x8 | 8×818×8 |

18×8 8×8 18×8 |

NOW:

70+26=96

134-9638 inches

Minimum length of cloth Akshay needs to buy 38 inches.