2 months. She already has $100 saved which means she needs $400 more. Each month, she spends $1000 out of $1200 which means she has $200 left each month. $200 for 2 months will give her the $400 she needs.
Vygotsky would say Latoya is "Using private speech to organize and regulate her thinking."
Vygotsky (1987) was the primary psychologist to report the significance of private speech. He considered private speech as the progress point amongst social and internal discourse, the moment being developed where dialect and thought join to constitute verbal reasoning.
Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.
