87 Inches. 12x7=84+3=87 or 12+12+12+12+12+12+12+3=87
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Seven inches is about 6/10 of a foot. If a person divides seven by twelve (inches in a foot) the end result is .583333333__. This amount is also equivalent to about 3/5 of a foot.
About 67 inches, or 5 foot 7 inches.
By Ratios 60:35 = 12:7 Hence 9:x :: 12:7 x = 12x 7 / 9 = 9.3333.... Hence model is 9 1/3 inches in breadth.
STOP - This seems to be a homework assignment.I strongly suggest you try to do it first, so that you gain the value of the lesson.The prime factors of 4725 are 3, 3, 3, 5, 5, and 7.Combining these in all of their combinations, along with 1 which is always a divisor, the divisors of 4725 are ...1 (1)3 (3)5 (5)7 (7)9 (3 3)15 (3 5)21 (3 7)25 (5 5)27 (3 3 3)35 (5 7)45 (3 3 5)63 (3 3 7)75 (3 5 5)105 (3 5 7)135 (3 3 3 5)175 (5 5 7)189 (3 3 3 7)225 (3 3 5 5)315 (3 3 5 7)525 (3 5 5 7)675 (3 3 3 5 5)945 (3 3 3 5 7)1575 (3 3 5 5 7)4725 (3 3 3 5 5 7)... so, there are 24.
Rebecca = 7 letters 7! is 7 * 6 * 5 * 4* 3 * 2 = 5040 different ways -----------------------------