| answers: b c c c a a b a c b |
| 4.6
|
| 1. Solve 8n = 48
|
| an
= 1/6 |
| bn
= 6 |
| cn
= 8/48 |
| dnone
of the above |
| 4.7
|
2. Solve for x . x/20 = 7/10
|
|
ax = 2/7 |
|
bx = 7/2 |
|
cx =
14 |
|
dnota |
| 3.Solve for x. 3/x
= 7/10 |
|
ax = 21/10 |
|
bx = 7/30 |
|
cx = 30/7 |
|
dnota |
| 5.1
|
4. Write 24 % as a fraction with
denominator 100.
|
a2.4/100
|
b0.24/100
|
|
c24/100 |
|
dnota |
| 5. change to a decimal. 0.12 % |
a 0.0012
|
b0.012
|
c12.0
|
dnota
|
| 6. change to a percent. 0.36 |
|
a36 % |
|
b3600
% |
|
c3.6 % |
|
dnota |
| 7. Change to a fraction in lowest
terms. 2 % |
|
a2/100 |
|
b1/50 |
|
c1/25 |
|
dnota |
| 5.2 |
8. Solve both problems here:
What number is 10 % of 50 ? What percent of 50 is 20 ? |
|
a5 and
40 % |
|
b5
and 20 % |
|
c0.05 and
40 % |
|
dnota |
| 5.3 |
| 9. A math 105 student answered 27 questions correctly on a 90 question test. What percent were answered
correct and incorrectly ? |
|
a3 % and 1
% |
|
b27 % and
73 % |
|
c30 % and
70 % |
|
dnota |
| 5.4 |
| 10. If the sales tax rate is 5 % of the
purchase price, how much sales tax is paid on a TV set that sells for
$900.00 before the tax is included. How much do you pay ? |
| a$4.50
and $904.50 |
|
b$45.00
and $945.00 |
|
c$45.00
and $855.00 |
|
dnota |
| |