This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 Excerpt: ...that there is a waste of not more than 6 in. on each strip in matching figures, how many strips will a roll make? How many rolls are required? 64. A room is 14 ft. by 16 ft., with 4 doors and 4 windows averaging 4 ft. wide. How great is the perimeter of the room? How much should be deducted from this for doors and ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 Excerpt: ...that there is a waste of not more than 6 in. on each strip in matching figures, how many strips will a roll make? How many rolls are required? 64. A room is 14 ft. by 16 ft., with 4 doors and 4 windows averaging 4 ft. wide. How great is the perimeter of the room? How much should be deducted from this for doors and windows? How much width of paper must be furnished? How many strips are required? 65. If the strips must be 7 ft. long, how many will a roll make? How many rolls will be required? In making the estimate for wall paper, find: The total width required. The number of strips. The length of strips. The number of strips in a roll or double roll. The number of rolls. Plastering 66. In thinking the area of the walls of a room, it is convenient to think the four walls as one long rectangle whose length equals the perimeter of the room and whose width is the height of the room. What is the total length of the walls shown in the following diagram? How many square yards in them? 67. How much would it cost to lath and plaster the walls of this room @ 400 per square yard? 68. How long and wide is the rectangle which equals the walls of a room 12 ft. by 18 ft., and 9 ft. high? 69. How many square yards in it? 70. How much would the labor of lathing these walls cost @ 4 per square yard? 71. How much would the labor of plastering these walls cost @ 60 per square yard? 72. What are the dimensions of a rectangle which equals the walls of a room 15 ft. by 18 ft., and 9 ft. high? How many square yards in the walls and ceiling? 73. Find the cost @ 80 per square yard of mortar for plastering this room. 74. Laths are commonly sold in bundles of 100 each, and 100 will cover 6 sq. yd. How many bundles are required for the above room? 75. How much will they cost @ 300 per b...
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Add this copy of New Mental Arithmetic to cart. $65.41, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2016 by Palala Press.
