9) Eric and Charlotte collected donations for the food bank. Charlotte collected 3 times the amountof Eric's donations minus $20. Eric and Charlotte combined their donations and spend half of themoney on canned food. The rest of the money, $50, was donated to the food bank directly. Howmuch did each student collect?10) A.A.Ron Balakay's cell phone costs $18 per month plus $0.15 for every minute she uses thephone. Last month her bill was $29.95. For how many minutes did she use her phone lastmonth?