So she earned $34 in 4 hours, meaning she was earning at the rate of 34/4 or $8.5/hour. Is she works for 10 hours at the same rate, it would be 8.5 x 10 = $85. B is the correct proportion.
The first answer is “B” and the second one is “D”. Attached below is my work.
I hoped this helped!! ^w^