### Practice Test

In the following exercises, solve each equation.

$n-\frac{2}{3}=\frac{1}{4}$

$4y-8=16$

$\mathrm{-15}a=120$

$x-3.8=8.2$

$8n-2=6n-12$

$\mathrm{-5}(2x-1)=45$

$\frac{1}{4}(12m-28)=6-2(3m-1)$

$8(3a-5)-7(4a-3)=20-3a$

$0.1d+0.25(d+8)=4.1$

$9(3u-2)-4[6-8(u-1)]$ $=3(u-2)$

In the following exercises, graph on the number line and write in interval notation.

$x\ge \mathrm{-3.5}$

In the following exercises,, solve each inequality, graph the solution on the number line, and write the solution in interval notation.

$8k\ge 5k-120$

In the following exercises, translate to an equation or inequality and solve.

4 less than twice *x* is 16.

Samuel paid $25.82 for gas this week, which was $3.47 less than he paid last week. How much had he paid last week?

Jenna bought a coat on sale for $120, which was $\frac{2}{3}$ of the original price. What was the original price of the coat?

Sean took the bus from Seattle to Boise, a distance of 506 miles. If the trip took $7\frac{2}{3}$ hours, what was the speed of the bus?