10: Jacob left Seattle and drove his car at thirty-five mph. Caleb wanted to catch up with Jacob but left from the same point at 4:04, which was 1.37 hours later. Caleb traveled at a speed that was sixteen mph more than Jacob did. At what time will Caleb catch up with Jacob?
Hint: express Jocob's time in hours first. Then set the distances expressions equal.
When you have solved for Caleb's time, please round the value to a whole number, then continue.
7:04
4:37
5:29
11: Thomas invested some of his $1,650 at 8% and the rest at 7% for one year. The annual simple interest from the 7% investment exceeds that from the other investment by $12. How much money was invested at 7%?
HInt: the interest from the 7% account is $12.00 more than the 8% account. Therefore, the interest from the 8% account plus $12.00 equals the interest from the 7% account.
$829.00
$960.00
$1,259.00
12: Cameron invested three times as much money at 7.95% as he invested at 6.5%. If his yearly simple interest is $282.26, how much money was invested at 6.5%?
Hint: Find an interest expression for each account. Then, those expressions added together equal the total interest.
$860.00
$900.00
$930.00
2007-02-14 02:03:37 · 1 answers · asked by me1026 1 in Education & Reference ➔ Homework Help
If your math book is like mine (and if these problems are from a math book), the answer to q 11 should be in the back of the book. When you find out how to get that answer, #s 10 and 12 might be easier.
2007-02-14 02:21:35 · answer #1 · answered by ~~ 2 · 0⤊ 0⤋