The expression 2a+1.5b gives the cost (in dollars) for a cupcakes and b cookies at a bake sale. a. The cost for 1 cupcake is $
and the cost for 1 cookie is $
.

b. The total cost for 6 cupcakes and 6 cookies is $
.

Question 2
c. Is $20 enough to buy 7 cupcakes and 4 cookies?

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's

Subtract 2 from all the first numbers and add 3 to all the second ones for new coordinates