if √a + 625 = 80% of 1200 - 310, then what is the value of a?
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√a+625 = 80% of 1200 -310
√a+625 = 80/100 *1200 -310
√a+625 =960-310
√a+625 =650
√a=650-625
√a=25
do the square of both sides
a = (25)²
a= 25
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