A tourist buys a Nepali flag at a discount of 15 % but pays 10 % VAT. If she pays Rs 170 for VAT, calculate the discount amount.
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An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )