Question

Which numbers belong to the solution set of the inequality?

X+ 9 < 78
A. 70, 72, 74, 80
B. 44, 50, 54, 68
C. 50, 62, 66, 71
D. 87, 89, 92,95

Answer 1

B.44,50,54,68

Explanation:

40+9<78

50+9<78

54+9<78

68+9<78

Answer 2

Answer: B

Explanation:

x+9<78 => x< 78-9=> x< 69 => b right