LEAP 2025 Algebra I Chapter 3

DOK: 1
1 pt

3.

A box has length of 20 inches, the height of 12 inches, and the width of 38 inches. What is the volume of the box using the formula *V = lwh*?

A

$70{\mathrm{inches}}^{3}$

B

$240{\mathrm{inches}}^{3}$

C

$9,120{\mathrm{inches}}^{3}$

D

$2,912{\mathrm{inches}}^{3}$

DOK: 1
1 pt

5.

Select the expression from the following word problem.

Fifteen minus a number, then divided by two equals eleven.

A

$\frac{15-\mathrm{y}}{2}=11$

B

$11-\frac{\mathrm{y}}{2}=15$

C

$15-\frac{\mathrm{y}}{2}=11$

D

$2-\frac{\mathrm{y}}{15}=11$

DOK: 2
1 pt

8.

A plumber charges $45 per hour plus a $25.00 service charge. If *a* represents his total charges in dollars and *b* represents the number of hours worked, which formula below could the plumber use to calculate his total charges?

A

$a=45+25b$

B

$a=45+25+b$

C

$a=45b+25$

D

$a=\left(45\right)\left(25\right)+b$

DOK: 2
1 pt

10.

Alicia found 3 times as many seashells as Juan, who found $\frac{1}{2}$ as many seashells as Blake. The three friends put all their seashells together and then evenly divided them between two teachers. Which expression below shows the number of seashells, *s*, received by each teacher?

A

$3s+\frac{1}{2}s+s\xf72$

B

$s+3s+\frac{1}{2}s$

C

$\frac{s+{\displaystyle \frac{3}{2}}s}{2}$

D

$\frac{3\left({\displaystyle \frac{1}{2}}s\right)+{\displaystyle \frac{1}{2}}s+s}{2}$