3/15 = 1/5
this is because the Common Divisor is 3... i.e. both the nominator & denominator are divisible by 3 : 3/3=1 & 15/3 = 5
In this instance 3 is the Lowest Common Divisor but 3/15 is also equal to 6/30s & 12/60s too...
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550 divided by 15 equals 36 with a remainder of 10.
There are: 100/15 = 6 with a remainder of 10
A regular pentagon has a perimeter of 5s. We set this equal to 15, and solve for s, and convert to yards.5s = 15s = 33 feet converted to yards is 3/3 = 1 yard.
3(3r-5s = -16) 5(5r+3s = 64) Multiply all terms in the first equation by 3 and in the second equation by 5: 9r-15s = -48 25r+15s = 320 Add the equations together in order to eliminate s: 34r = 272 Divide both sides by 34 to find the value of r: r = 8 Substitute the value of r into the original equations to find the value of s: Therefore: r = 8 and s = 8