Answer:
8% = $7750
12% = $250
Step-by-step explanation:
I P R. T.
8% X .08 .08X
12% 8000-X .12 .12(8000-X)
.08X + .12(8000-X) = 650
.08X + 960 - .12X = 650
<u> </u><u> </u><u> -960 </u><u> </u><u> </u><u> -960</u>
.08x - .12x = -310
<u>-.04x</u><u> </u><u>=</u><u> </u><u>-310</u>
-.04x -.04x
X = 7750
Verify:
X = 7750
8000 - X = 250
250 + 7750 = 8000
The missing proof is the third statement
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