Mathematics 55 Sec ON1 Week 5 Quiz | Mathematics 55 Sec ON1
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Mathematics 55 Sec ON1 Week 5 Quiz | Mathematics 55 Sec ON1
5.7: Quiz #3: Week 5: Sections B.2 ,B.3
Question 1
A total of $15,000 was invested in two stocks paying 5% and 9% annual interest, respectively. At the end of the year, the total interest earned from these investments was $910. How much was invested at each rate? Fill in the blank.
The amount invested in the account paying 5% interest was $ and the amount invested in the account paying 9% interest was $ .
· 8500
· 6500
Question 2
Tickets to a local movie were sold at $7.00 for adults and $5.50 for students. If 400 tickets were sold for a total of $2575.00, how many adult tickets were sold? Select the correct answer.
· 100 tickets
· 150 tickets
· 250 tickets
· 200 tickets
Question 3
Solve the system of linear equations. Fill in the blanks for each x, y and z value.
⎧⎩⎨⎪⎪x−2y+3z=222x−3y−z=53x+y−5z=−32{x−2y+3z=222x−3y−z=53x+y−5z=−32
x=
y=
z=
· -1
· -4
· 5