markell42
10.09.2020 •
Mathematics
30:90 three equivalent ratios
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Ответ:
Ответ:
Length of pieces are 3.125 m and 1.875 m
Step-by-step explanation:
A piece of rope 5m long is cut into two pieces so that one piece is three fifths as long as the other.
Length of pieces be a and b.
Total length = 5 m
That is
a + b = 5
One piece is three fifths as long as the other
Substituting
0.6 b + b = 5
1.6 b = 5
b = 3.125 m
a = 0.6 x 3.125 = 1.875 m
Length of pieces are 3.125 m and 1.875 m