Answer:
210?
Step-by-step explanation:
Sorry if it's wrong
R=8+I
S=4R
R+I+S=112
R+R-8+4R=112
6R=120
R=20
So therefore, Ruby worked 20 hours, Svetlana worked 80 hours, and Isaac worked 12 hours.
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Answer:
x = HJ/7 + 27/7
Step-by-step explanation:
Hope this helps!
Answer:
210
Step-by-step explanation:
Using compatible numbers, which is the best estimate of (28.5)(7.1)?
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