Question

The cost of 9 donuts is $5.50. how many donuts can you buy for $33.00

Answer 1

9514 1404 393

Answer:

54

Explanation:

Let d represent the number of donuts. The cost is proportional to the number, so we have ...

d/33.00 = 9/5.50

d = 33.00(9/5.5) = 9·6 = 54

You can buy 54 donuts for $33.00.