1. (4.04) (10 points)
One afternoon, a bakery receives a large order for donuts.
The customer wants 35% of the donuts to be regular with icing.
The remaining donuts should be an assortment of various types and flavors.
They need a total of 1800 donuts.
If the variable r represents the number of donuts with regular icing and the variable a represents the number of assorted donuts:
Part A. (1 point)
Write an equation for the number of donuts with regular icing, r, based on the number of assorted donuts, a.
Part B. (1 point)
Write an equation for the number of assorted donuts, a, based on the number of donuts with regular icing, r.
Part C. (2 points)
Using one of these equations, set up a proportion equation.
Part D. (2 points each)
Solve the proportion and show all work to find:
How many regular donuts are needed?
How many assorted donuts are needed?
If each regular donut is $0.75,
and each assorted donut is $0.90,
how much money would this order cost?
Show all your work. State answers to Part D in complete sentences.