FIRST GETS BRAINLLEST Jackie is trying to reproduce a scale drawing where every 2 cm will be equal to 2.5 feet. How long should Jackie make the yellow line, in feet?

7.5 feet

Step-by-step explanation:

If we look at the yellow line, it is 6 cm.

To find how many times 2cm goes into 6cm, we divide.

So, if we reproduce the shape for every 2 cm, we have to multiply the value by 3.

Since every 2 cm will be equal to 2.5 feet, we can multiply the values.

So Jackie should make the yellow line 7.5 feet long.

Hope this helped!

hello from mrbilldoesmath!

answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb