Factor the expressions using the distributive property

Question

The area of the rectangle is found by multiplying its lengths by its widths. The rectangle below has the width of 5 units. Te area of the rectangle is 15x+40 square unit. What is the link of the rectangle. Also how do u factor the expression 0.75r+0.25 using the

Answer 1

width: 5 units

length ?

 

area: 15x + 40

 

length = area/width

 

so,

 

length = (15x + 40)/5

 

length= 3x + 8

 

so length is (3x + 8) units

 

.75r + .25

 

biggest common factor is .25:

 

.25(3r + 1)