Tracy brought 5 trays of plants for $105. each tray contained 12 plants. each plant cost the same amount. plants can be purchased individually. how many more money will tracy need to spend for 15 additional plants?

Trace will need to spend $26.25 for the additional plants.

Step-by-step explanation:

How much she spent for each plant?

Tracy brought 5 trays of plants for $105. Each tray contained 12 plants.

This means that.

12*5 = 60 plants cost $105.

1 plant costs 105/60 = $1.75

How many more money will Tracy need to spend for 15 additional plants?

Each plant costs $1.75.

1.75*15 = $26.25

Trace will need to spend $26.25 for the additional plants.

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.