What is meant by a problem-centred approach in the teaching and learning of mathematics? what role is played by the teacher in this kind of approach?

how teachers view mathematics has a strong influence on how they teach.

the answer is here: : )

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i dont know if you cant find a way its best to actually add all of them start from 105 tho

step-by-step explanation:

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!