Mrs. Williams is going to purchase a plastic cover for her outdoor fish pond. The area of the fish pond is 25 m2. However, she must purchase a cover that is 12% more than the pond area in order to cover the entire edges of the pond. The plastic cover costs $4.75 per square meter. About how much will Mrs. Williams spend for the plastic cover?

Question

Mrs. Williams is going to purchase a plastic cover for her outdoor fish pond. The area of the fish pond is 25 m2. However, she must purchase a cover that is 12% more than the pond area in order to cover the entire edges of the pond. The plastic cover costs $4.75 per square meter. About how much will Mrs. Williams spend for the plastic cover? 
A 
$300.00

B 
$133.00

C 
$118.75

D 
$57.00 
 how is this b i don't know how to show explain my work for this one

Ms. Sue · Answer

25 * 1.12 * 4.75 = ?

I see you have graph paper. You must be plotting something. · Answer

12% of 25 is (12/100)*25=300/100=3, so add 3 to 25m^2 to get the total pond area. 25+3=28. Each square meter cost 4.75, so multiple it by 4.75 and you get 28*4.75=133, so it is B.