Question

Your teacher bought 7 pens at $1.50 each and some pencils at $0.25 each. The total cost of your teacher's
purchase was less than $20. What is the maximum number of pencils your teacher could have purchased?
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Answer 1

Respuesta: if the problem says the maximum number of pencils your teacher could have purchased, in count that they have bought 7 pens and total cost was less than 20 you have to define a number less than 20 for example 19, using this number the maximum is 34 pencils

Explicación paso a paso: formulation: (number less than 20) (1.75 x 7)= (variable number) divided by (0.25) and the result is the answer