Answer:
13 hours
Explanation:
Number of days Daniel is planning for 6-night road trip
Cost of transportation =$ 310
Cost for food=$ 275
Cost per night for hotel= $70
Total number of nights= 6
Total cost for Hotel= 6×$70= $420
Total cost for a trip= $ 310+ $ 275+420
Total cost for a trip= $1005
Savings of Daniel= $ 745
Total money to be needed= $1005-$745
Total money to be needed= $260
Cost of tutoring= $20
Number of hours he needs to do tutoring=
![(260)/(20)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/pv70wvxof9l5ufdgsio8w8qssvnb1s04dr.png)
Number of hours he needs to do tutoring=13 hours
Hence, the correct answer is 13 hours