Nancy earns $28 for working 4 hours. How many hours does she have to work to earn $70? Let's think step by step and output the final answer after "####".
user
Nancy earns $28/4 = $<<28/4=7>>7 per hour.
Therefore, she has to work $70/$7 = <<70/7=10>>10 hours to earn $70.
#### 10
Nancy earns $28 for working 4 hours. How many hours does she have to work to earn $70?
train