Problema Solution
every item in the store is priced $1.00. when jack opens the store, there is $150.00 in the cash register. when he counts the money in the cash register at the end of the day, the total is $858.50. if the sales tax rates is 9%, how many items were sold that day?
Answer provided by our tutors
let n = the number of items sold that day
150 + 1*n + 0.09*1*n = 858.50
by solving we find
n = 650 items sold
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