fast   holly earns $30 for babysitting 5 hours. she earns $28 when she does chores for 4 hours. which compares the unit rates? the unit rate for babysitting is $2 per hour more than the unit rate for doing chores. the unit rate for babysitting is $1 per hour more than the unit rate for doing chores. the unit rate for doing chores is $1 per hour more than the unit rate for babysitting. the unit rate for doing chores is $2 per hour more than the unit rate for babysitting.