Hai số thực dương hơn kém nhau 5 đơn vị và hai lần số thứ nhất cộng ba lần số thứ hai thì bằng 60. Tìm hai số đó Giải giúp mình với cảm ơn

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LÀM HỘ MÌNH NHÉ Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. 7. The bus__________before I reached the bus-stop. A. left B. had left C. was leaving D. will leave 8. The hotter the weather is, __________. A. more tired we feel C. more and more we feel tired B. we will feel more tired D. the more tired we feel 9. The teacher needs to__________the class into two to play the game. A. decrease B. shorten C. reduce D. divide 10. I’ve tried those tablets and they are not__________in helping me stop coughing. A. effective B. successful C. profitable D. helpful 11. Which is__________, an elephant or a blue whale? A. bigger B. the bigger C. biggest D. the biggest 12. He couldn’t reach the goal, __________surprised me. A. who B. whom C. which D. that 13. The school__________all the student to take an interest in arts. A. noticed B. encouraged C. supposed D. managed 14. I like sitting on the beach watching the__________in the evenings. A. sunshine B. sunrise C. sunlight D. sunset 15. There is__________food left but not enough for everyone. A. few B. a few C. little D. a little 16. I bought these magazines__________have something to read on the trip. A. for B. so that C. so as to D. in order 17. They suggested__________the archaeological site the next weekend. A. to visit B. visiting C. should visit D. would visit 18. If I were in your shoes, __________. A. I will say sorry to them C. I would apologize to them B. they would buy them for me D. they can have them 19. I plan to__________around the world after I graduate from university. A. travel B. voyage C. trip D. journey