Answer:
TPRS (Teaching Proficiency through Reading and Storytelling) is an input-based approach to teaching language that focuses on the systematic instruction of vocabulary in a highly comprehensible, personalized and contextualized manner.
Una mochila azul it’s the second one
Past subjunctive
I will buy a gift to the children without them to (know)
Answer: math 25 students like it
explanation: 20 like math 15 like science add 5 to both because 5 like math and cience so you get 25 that like math and 20 that like science so the answer is science