15. E-Commerce For online store sales, the payment processing service Square charges 2.9% of the total sales plus S.30 per transaction. For your online business, the cost of using Square last month was $291. A competitor to Square charges 3% of total sales plus $.25 per transaction, and your bill for the same month with that company would have been $295. Find the total sales amount and the number of transactions. (Data from: www. squareup.com.)
15. E-Commerce For online store sales, the payment processing service Square charges 2.9% of the total sales plus S.30 per transaction. For your online business, the cost of using Square last month was $291. A competitor to Square charges 3% of total sales plus $.25 per transaction, and your bill for the same month with that company would have been $295. Find the total sales amount and the number of transactions. (Data from: www. squareup.com.)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
![Write a system of equations, and use the inverse of the coefficient
matrix to solve each system of equations. (See Example 1.)
15. E-Commerce For online store sales, the payment processing
service Square charges 2.9% of the total sales plus S.30 per
transaction. For your online business, the cost of using Square
last month was $291. A competitor to Square charges 3% of
total sales plus $.25 per transaction, and your bill for the same
month with that company would have been $295. Find the total
sales amount and the number of transactions. (Data from: www.
squareup.com.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd1d198d2-918b-41c3-8a53-daba1894d18a%2Fdfd673a5-348b-4688-b3b0-f6fc26db8c27%2Fw0jw2i_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Write a system of equations, and use the inverse of the coefficient
matrix to solve each system of equations. (See Example 1.)
15. E-Commerce For online store sales, the payment processing
service Square charges 2.9% of the total sales plus S.30 per
transaction. For your online business, the cost of using Square
last month was $291. A competitor to Square charges 3% of
total sales plus $.25 per transaction, and your bill for the same
month with that company would have been $295. Find the total
sales amount and the number of transactions. (Data from: www.
squareup.com.)
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