Contestants on a game show are given an inequality to solve. After solving, the contestant spins the spinner. If the spinner lands on a solution to the inequality, the contestant wins a prize.

SARA

-4(2x + 4) > 8x + 64

ALEJANDRO

7x + 20 2(x - 15)

21-12

-7 -6

-11 10

DARIA

3(x - 17) < 9(1-3x)

JAMAL

5(x + 11) > -4(-x - 12)

In 1-4, solve the contestant's inequality. Use the solutions to answer 5-10.

1. Sara:

4. Jamal:

2. Alejandro

3. Daria:

1 2 <2

7-7

I <-5

:: 2 > -10

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.