Question

solve for b : 1 1/8 + b ≥ 7/16

Answer 1

1 1/8 = 9/8. Subtract 9/8 from both sides:

b ≥ 7/16 − 9/8 = 7/16 − 18/16 = −11/16.

So b ≥ −11/16 (≈ −0.6875).