Question

Math question, i appreciate any help! :)

Answer 1

B=16.7 is your answer

Answer 2

$\text {Ratio of Orange to Blue = } \dfrac{30}{50} = \dfrac{3}{5}$

Find B:

Equate the ratio:
$\dfrac{3}{5} = \dfrac{10}{B}$

Cross-Multiply:
$3B = 5 \times 10$

Evaluate the right hand side:
$3B = 50$

Divide by 3 on both sides:
$B = 16.7 \text{(Nearest tenth)}$

Answer: B = 16.7