1
16
x
20
_____
00
+320
____
32
= 320
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16 x 20 = 320
Let the two numbers be x and y since their sum is 16 x+y=16 since their difference is 20 x-y=20 so since x+y=16 x=16-y and now plug this in below 16-y-y=20 and 16-2y=20 -2y=4 y=-2 and x-2=16 so x=18 the numbers are 18 and -2
20/16 = h/12;Cross multiply: 16 x h = 20 x 12h = 20 x 12/16 = 240/16 = 15 in
20 inc x 16 inc in centimeter is 50.8 cm x 40.64 cm.
16/20 x 100 = 80