Which item has a unit rate of $6.50?
O caps: 4 for $25.00
o posters: 3 for $20.25
o tote bag: 4 for $30.00
O T-shirts: 5 for $32.50

T-shirts

Step-by-step explanation:

First, find the unit price for caps. Divide 25 by 4, which equals $6.25. Then, divide 20.25 by 3, which equals $6.75. Next, divide 30 by 4, which equals $7.50. Finally, divide 32.50 by 5, which equals $6.50. To t-shirts have a unit rate of $6.50

4 weeks change = -20

1 week change = -5

If x is the temperature at the start of the week:

A: (4x-20)/4

B: Change per week = x-5 This means that the temperature goes down by 5 degrees per week, with x being the temperature at the start of the week.

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