-What is the approximation for the following prices: 4 pounds for $0.89 per pound, 10 apps that each cost $1.99 and going to a movie will last for 1 ¾ hours. Give your own situation where you had to approximate when adding or subtracting.

2 x^2 -3x+p

sum of roots = 3/2

let other root be x

3+ x = 3/2

x= 3/2 - 3 = -3/2

product of roots = p/2

3× -3/2 = p/2

-9 = p

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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