Question about Puzzle Toys
8 bolts and 6 nuts weigh 138 grams. 3 bolts and 5 nuts weigh 71 grams. work out the weight of the following: (a) 4 bolts and 3 nuts, (b) 11 bolts and 11 nuts, (c) 3 bolts and 3 nuts, (d) 1 bolt
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Posted on Jan 02, 2017
SOURCE: can you please anwser this
1 bolt = 12
1 nut = 7
(8x12)+ (6x7) = 138
(3x12) + (5x7) = 71
a) (4x12) + (3x7) = 69
b)(11x12) + (11x7) = 209
c)(3x12) + (3x7) = 57
Just double check it.
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Posted on Aug 30, 2011
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