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Jeremy celebrates his baby's first birthday party. he has $100. he purchased vanilla cake for $30, one big balloon for $10, and 10 birthday caps. each of the birthday caps cost the same price. write an equation representing the total expenditure of the party and determine the price of one cap.



Answer :

100 = 30 + 10 + 10x
100 = 40 + 10x
-40 -40
60 = 10x
--- ----
10 10

6 = x


The equation is: 100 = 30 + 10 + 10x
The price of one cap is: $6