V=120, l=8, h=1.5
W = V/hl
W=120/8(1.5) = 10
1L=1000mL
2800 mL=2.8L
If she needs 3.5 L, she currently has 2.8L,
so 3.5-2.8=0.7 L more or .7x1000=700 more mL
I’m literally stuck on the same kind of stuff. i don’t get it
the answer is a repeating decimal 31.1111111111 but just put 31.1