Subject: mathqa
Question: anne earned $ 3 an hour baby - sitting , and $ 4 an hour working in the garden . last week she did baby - sitting for 5 hours and garden work for 3 hours . how much more money does she need to buy a game that costs $ 35 ?
Option: 
A: $ 12
B: $ 6
C: $ 10
D: $ 8
Answer: D