thornlilly17
05.05.2020 •
Mathematics
Tavon has a gift card for $ 130 that loses $ 3 for each 30-day period it is not used. He has another gift card for $ 110 that loses $ 2.50 for each 30-day period it is not used.
a. Write and solve an equation for the number of 30-day periods until the value of the gift cards will be equal.
b. What will the value of each card be when they have equal value?
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Ответ:
i think you add both fabric prices then divide with 5.50