If you are working a multiple different earning site online,definitely yes, you can earn the amount you are aiming for, and it depends also how you spend your time working online. The Microworkers alone, you can earn $30 if you are diligent and complete every tasks available on the site. Remind though that the site, for the first payment request you needed a pin, and this pin will be sent to your address within a month. So, while waiting you can earn. Other earning site, you add to your list is the Toluna, you can take surveys, join the competitions and redeem it via Paypal cash or vouchers of your choice. I am not sure of iPanelonline is still available and working in the Philippines, you can take survey and get paid via Paypal.
You can do blogging too, first build your website, and start blogging with your interest topic. You can choose too to sell e-book online, or write an article and get paid, you can sell used items online, or you can work as virtual artist.