Help with an Algebra Problem?

2016-08-14 3:17 am
Solve the following set of three simultaneous equations to determine the time t at which Ray is 2.0 miles ahead of Bob:

xB = (50 mi/hr)t + 10.0 mi
xR = (60 mi/hr)t + 8.0 mi
xR = xB + 2.0 mi

回答 (1)

2016-08-14 6:44 am
✔ 最佳答案
xR = xB + 2
60t + 8 = ( 50t + 10 ) + 2
10t = 4
t = 0.4 hr = 24 min.

Ans: 24 min.


收錄日期: 2021-05-02 14:12:28
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