X=invested at 10%12000-x=invested at 15% .10x+ (.15)(12000-x)=1440 ;; 12% of the total amount is 12% of $12000. .10x + 1800-.15x=1440
-0.05x=-360x=7200 12000-x=4800 $7200 at 10%=$720$4800 at 15%=$720 That is $12000 earning $1440, and that is 12%
D 19 in2
find the area of a square, width times height
then find the area of the triangle, width times height divided by 2
Answer:
x is more than or equal to 77
Step-by-step explanation:
It will be b im ask my teacher