The volume of construction work was increased by 60% but the productivity of labor increased by only 25%. By what percent must t
he number of workers be increased?
1 answer:
<span>The number of workers must be increased by 28%.</span>
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True
Step-by-step explanation:
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Radioactive in half life is 51gram
Step-by-step explanation:
80grams:12years
X :7.6years
12x÷x=x
7.6×80÷12=51gram
7y^3(3y^2-2)-(3y^2-2)
(3y^2-2)(7y^3-1)
Step-by-step explanation:
1) see the attached picture;
2) 120+80=200 (persons).
PS. change the design according to local requirements.
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area:1.9×0.75÷2
perimeter:2+0.75+2.25
