Bethany is working her way through school. she works two part time jobs for a total of 30 hours a week. job a pays 5.90 per hour, and job b pays 7.20 per hour. how many hours did she work at each job the week she made 193.90

Job A=40 hours=73.50  job=B=50hours=120.40

Step-by-step explanation:

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b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.