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.45 Answer answer answer answer
Answer:
1/2 = r
Step-by-step explanation:
7r + 21 = 49r
Subtract 7r from each side
7r-7r + 21 = 49r-7r
21 = 42r
Divide each side by 2
21/42 = 42r/42
1/2 = r
The delivery route took 4 hours and 15 minutes.
Because 9:50 + 4 hours is 1:50
1:50 + 15 minutes is 2:05
Hope this helps! Have a great rest of your day :)
