Mathematics: If it takes 70 workers 3 hours to disassemble the exhibition rides at a small amusement park, how many hours would it take 30 workers to do this same job? 40 3 11 7 7 3 9 7

If it takes 70 workers 3 hours to disassemble the

Ответ:

torresnoemi899

14.03.2022

$70 \text{ workers} \longrightarrow 3 \text{ hours}$

Find 1 worker:

$1 \text{ worker} \longrightarrow 3 \times 70 \text{ hours}$

$1 \text{ worker} \longrightarrow 210 \text{ hours}$

Find 30 workers:

$30 \text{ workers} \longrightarrow 210 \div 30 \text{ hours}$

$30 \text{ workers} \longrightarrow 7 \text{ hours}$

It will take 7 hours for 30 workers to do this same job.

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Ответ:

lalanduni

10.07.2021

Mathematics

For this picture below: Yes. The base and height can be determined for both triangles. Use the formula A = 1/2bh to find the area of each, then add them to get the area of the trapezoid. 10 + 15 = 25 in^2.

Astudent broke this trapezoid into two triangles. she says she has enough information to find the ar

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If it takes 70 workers 3 hours to disassemble the exhibition rides at a small amusement park, how many hours would it take 30 workers to do this same job? 40 3 11 7 7 3 9 7

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