Substitute the second equation into the first equation for the t. 5(s + 15.25) + 15s = 211.25 Distribute the 5 5s + 76.25 + 15s = 211.25 20s + 76.25 = 211.25 Subtract 76.25 from both sides 20s = 135.00 Divide both sides by 10 s = 6.75 t = 6.75 + 15.25 t = 22.00
