Deangelo needs 100 lb of garden soil to landscape a building. in the company’s storage area, he finds 2 cases holding 24 3/4 lb of garden soil each, and a third case holding 19 3/8 lb. how much gardening soil does deangelo still need in order to do the job?

pounds

Step-by-step explanation:

We have been given that DeAngelo needs 100 lb of garden soil to landscape a building.        

First of all, we will find total amount of garden soil available in storage area.

Convert mixed fraction into improper fraction:

Make a common denominator:

Combine numerators:

Now, we will subtract this amount from 100.

Therefore, DeAngelo still needs pounds of gardening soil in order to do the job.

b

step-by-step explanation:

given

- 2 (3x + 12y - 5 - 17x - 16y + 4 )

simplify the parenthesis by collecting like terms

= - 2 (- 14x - 4y - 1) ← distribute the parenthesis by - 2

= 28x + 8y + 2 → b