15% was spent on props, rest on equipment 100 - 15 = 85% on equipment
.85 * 640 = $544 spent on equipment
Answer:
$544
Step-by-step explanation:
15% of 640
-----------------------
0.15 x 640
--------------
640 - 96
= 544
x^2 = 15^2 + 36^2
X^2 = 225 + 1296
X^2 = 1521
x = sqrt(1521)
x =39
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