Answer:
[3x25]+[5x30]
Step-by-step explanation:
Answer:D
x=3
13.9
u = <3.5,2>
u = 4<cos(30°), sin(30°)>
= 4<√3/2, 1/2>
= <2√3, 2>
≈ <3.5, 2>
3 packages
36-14=18
18/6=3
so 3 packages