10. (6 Points) Jasmin works at a grocery store for x hours a week that pays $4 an hour. She has also accepted a job that pays $8 an
hour as a tutor working y hours a week. She will work both jobs. She is able to work a maximum of 15 hours a week.
Jasmin wants to earn at least $80 a week, between both of her part time jobs.
Write a system of inequalities that can be used to represent the above situation.

Statements reasons 1. ab ≅ cd; ad ≅ bc 1. given 2. ac ≅ ac 2. reflexive property 3. △adc ≅ △cba 3. ? 4. ∠dac ≅ ∠bca; ∠acd ≅ ∠cab 4. cpctc 5. ∠dac and ∠bca are alt. int. ∠s; ∠acd and ∠cab are alt. int. ∠s 5. definition of alternate interior angles 6. ab ∥ cd; ad ∥ bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?