she should’ve written m-12 as m12
Answer:
40.5 g
Step-by-step explanation:
Find how much salt is in 450 g of a 9% salt solution.
Note that
450 g - 100%,
x g - 9%,
then
If you evaporated all water from this solution, then you would get 40.5 g of salt.
Answer:
7/24
Step-by-step explanation:
Answer:
58
Step-by-step explanation:
B=base
A=side
X=2(a+b)=2·(13+16)=58