Mona has 20 lbs of 20% sugar syrup. how much pure water should she add to make 16% sugar syrup?

5 lbs

Step-by-step explanation:

Let x lbs be the amount of pure water that should be added. Then the new sugar syrup will have x+20 lbs.

In 20 lbs of 20% sugar syrup there are lbs of sugar. This amount of sugar will remain in nwe sugar syrup the same. So

x+20 lbs - 100%,

4 lbs - 16%.

Write a proportion:

is there answer choices?

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24