Halloween question/ if kimberly has 5 brains but her zombie friends eat 3 how much brains dose kimberly have left to eat

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Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have