5t + 7r = 823
5t = 7r + 137
5t + 7r = 823
5t - 7r = 137
Adding the 2 equations together...
10t = 960
t = 96
5(96) + 7r = 823
480 + 7r = 823
7r = 343
r = $49
Gin L.
asked 05/07/20A store received $823 from the sale of 5 tape recorders and 7 radios. the receipts from the tape recorders exceeded the receipts from the radios by $137, what is the price of the radio
5t + 7r = 823
5t = 7r + 137
5t + 7r = 823
5t - 7r = 137
Adding the 2 equations together...
10t = 960
t = 96
5(96) + 7r = 823
480 + 7r = 823
7r = 343
r = $49
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