Absolute value is h<span>ow far a number is from zero.
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For example |-4|=4 or |98| =98.
A kilogram %30 chocolate,
b kilogram %50 chocolate,
a+b = 100 kilogram chocolate,
48.(a+b) = 30.a + 50.b
48a + 48b = 30a + 50b
18a = 2b
b = 9a
a+b = a + 9a = 10a = 100 kg
a = 10 kg
b = 9.a = 90 kg
You should use,
10 kg %30 chocolate,
90 kg %50 chocolate
9x9+81
81/7= 81 over 7, or 11.6
the shorter piece is 8 feet long
the longer piece is 19 feet long
HOPE THIS HELPS!!!