Math questions 5 through 8

5.) B = (16)w

6.) w = 12 ft

7.) B = 39 cm^2

8.) V = 312 cm^3

Step-by-step explanation:

5.) Find the base:

Use formula for area of a rectangle

B = lw

B = (16)w

6.) Find the width:

Use formula for the volume of a rectangular prism

V = lwh

624 = (16)w(3.25)

Note that the height is listed as 3 1/4, but it can also be written as 3.25

624 = 52w

/52     /52

12 = w

7.) Find the base:

Use formula for area of a rectangle

B = lw

B = (13)3

B = 39 cm^2

8.) Find the volume:

Use the formula for the volume of a rectangular prism

V = lwh

V = (13)(3)(8)

V = 312 cm^3

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step-by-step explanation: