Page 526 - Basic College Mathematics with Early Integers

CHAPTER 6 TEST 503

Solve. Round all dollar amounts to the nearest cent. 16.

16. An alloy is 12% copper. How much 17. A farmer in Nebraska estimates that
copper is contained in 320 pounds of 20% of his potential crop, or $11,350,
this alloy? has been lost to a hard freeze. Find the
total value of his potential crop.
17.

18.

18. If the local sales tax rate is 1.25%, find 19. A town’s population increased from
the total amount charged for a stereo 25,200 to 26,460. Find the percent
system priced at $354. increase.
19.

20.

20. A $120 framed picture is on sale for 15% 21. Randy Nguyen is paid a commission
off. Find the discount and the sale price. rate of 4% on all sales. Find Randy’s
commission if his sales were $9875.
21.

22.

22. A sales tax of $1.53 is added to an 23. Find the simple interest earned on
item’s price of $152.99. Find the sales 1
$2000 saved for 3 years at an interest
tax rate. Round to the nearest whole 2
percent. rate of 9.25%.
23.

24.

24. $1365 is compounded annually at 8%. 25. A couple borrowed $400 from a bank at
Find the total amount in the account 13.5% simple interest for 6 months for
after 5 years. car repairs. Find the total amount due the
bank at the end of the 6-month period. 25.