Assessment For The California Mathematics Standards Booklet - Grade 7 Page 7
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37Assessment For The California Mathematics Standards
Grade 7
a. A jacket is on sale for 70% of the original price. If the discount saves $45,
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what was the original price of the jacket? What is the sale price?
b. Billy makes a 6% commission on all his sales. Last week he sold $8,200 worth
of merchandise. How much money did he earn in commission?
c. A bookseller sells paperback books with a 45% markup. If the cost to the
bookseller for a book is $14.00, how much does the bookseller charge?
d. I invest $800 at 5% interest compounded annually. Write, but do NOT
evaluate, a numerical expression for the total value of my investment after
15 years.
e. Debbie borrows $1,000,000 for real estate development and makes annual
interest only payments for three years at a rate of 7.5% per year. What
is her total interest payment over the three year period?
6.
Los Angeles County Office of Education: Mathematics
National Center to Improve the Tools of Education
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