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On one job, two power shovels excavate 20,000 cubic meters of earth, the larger shovel working 40 hours and the smaller for 35 hours. On another job, they removed 40,000 cubic meters with the larger shovel working 70 hours and the smaller working 90 hours, How much earth can each remove in 1 hour working alone? A. 169.2, 287.3 B. 178.3, 294.1 С. 173.9, 347.8 D. 200.1, 312.4

On one job, two power shovels excavate 20,000 cubic meters of earth, the larger shovel working 40 hours and the smaller for 35 hours. On another job, they removed 40,000 cubic meters with the larger shovel working 70 hours and the smaller working 90 hours, How much earth can each remove in 1 hour working alone? A. 169.2, 287.3 B. 178.3, 294.1 С. 173.9, 347.8 D. 200.1, 312.4

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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On one job, two power shovels excavate 20,000 cubic meters of earth, the larger shovel working 40 hours and the smaller for 35 hours. On another job, they removed 40,000 cubic meters with the larger shovel working 70 hours and the smaller working 90 hours, How much earth can each remove in 1 hour working alone? A. 169.2, 287.3 В. B. 178.3, 294.1 С. C. 173.9, 347.8 D. 200.1, 312.4
Transcribed Image Text:On one job, two power shovels excavate 20,000 cubic meters of earth, the larger shovel working 40 hours and the smaller for 35 hours. On another job, they removed 40,000 cubic meters with the larger shovel working 70 hours and the smaller working 90 hours, How much earth can each remove in 1 hour working alone? A. 169.2, 287.3 В. B. 178.3, 294.1 С. C. 173.9, 347.8 D. 200.1, 312.4
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