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Question 149146: On Monday, Serena averaged 40 mph while making sales calls. On Tuesday, she drove for 2 hours more than she did on Monday and averaged 50 mph. If her total distance for the two days was 280 miles, then how many hours did she drive on Monday?: On Monday, Serena averaged 40 mph while making sales calls. On Tuesday, she drove for 2 hours more than she did on Monday and averaged 50 mph. If her total distance for the two days was 280 miles, then how many hours did she drive on Monday?
Answer by mangopeeler07(445)  (Show Source):
You can put this solution on YOUR website!x=amount of hours on Monday
coefficient=mph
40(x)+50(x+2)=280
Simplify
40+50x+100=280
Combine like terms
50x+140=280
Subtract 140 from both sides
50x=140
Divide by 50
x=2.8
She drove 2.8 hours on Monday.
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Question 149146: On Monday, Serena averaged 40 mph while making sales calls. On Tuesday, she drove for 2 hours more than she did on Monday and averaged 50 mph. If her total distance for the two days was 280 miles, then how many hours did she drive on Monday?: On Monday, Serena averaged 40 mph while making sales calls. On Tuesday, she drove for 2 hours more than she did on Monday and averaged 50 mph. If her total distance for the two days was 280 miles, then how many hours did she drive on Monday?
Answer by josmiceli(2035) (Show Source): |
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