Well in my calculations I got: well if you he increases the speed by 2.6 per hour soo 4+2.6=6.6
Answer:
Step-by-step explanation:
Answer:
x will have to be 45 to make this true
Step-by-step explanation:
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.