Given:
Take the dot product of both sides of (1) with
. You end up with
Doing the same thing with
and
, you end up with the system
and so
15 = 80% * x
15 = 80/100 * x
15 = 8/10 * x
x = 15 * 10/8
x = 150/8
x = 18.75
<span>80% of 18.75 is </span>15<span>.</span>
Answer:
Step-by-step explanation:
74939e+1364