Malika charges $7.20 per hour for babysitting. she babysits 4 hours each week. she spends $10 per week and puts the rest of her earnings in a saving account. after 12 weeks, malika's grandparents put a gift of money in her savings account that is equal to 0.25 times the amount she has saved from babysitting earning. how much money does malika have in her savings account after the gift from her grandparents? show your work