To answer the equation first, let x be the number of pens. With this representation, the number of pencils she bought would be x - 4. The total amount she would have to spent for all the items is,
T = 6.70x + 3.5(x - 4)
Answer:
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Step-by-step explanation:
Answer:
m^2+n/2-17
Step-by-step explanation:
Answer:
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