Answer:
8 Weeks
Explanation:
Earning per hour = $7.50
and Javier works 20 hours per week
Therefore, in one week, Javier will earn $7.50 X 20 = $150
To save $1,200.00 for school, Javier will need to work;
1200.00 / amount earned per week
This will give;
1200.00 / 150
= 8 weeks