Answer: Tane needs to work 8 hours per week while Pete needs to work 5 hours per week
Explanation:
T=Tane. P=Pete
5*13=65
T+P=65
15T+16P=1000
T=65-P
15(65-P)+16P=1000
975-15P+16P=1000
975+P=1000
P=25 hours for 5 weeks
T=65-25
T=40 hours for 5 weeks
P: 25/5=5 hours per week
T: 40/5=8 hours per week
Tane needs to work 8 hours per week while Pete needs to work 5 hours per week