Roland-Story Horticulture
Problem Solving Quiz Work
Name _________________________________
Directions: Carry all calculations out to 2 decimal places.
Problem #1:
Mr. Taylor needs bagged cedar mulch for a bed that is 20’ x 6’ in size. Mr. Taylor will put the mulch at a depth of 3 inches. Please help him calculate how many 2 cubic foot bags of mulch he will need.
(a) 1.1 (b) 2 (c) 6 (d) 15 (e) 18
Problem #2:
A granular pre-emergence herbicide is needed in a planting bed that is 40 feet long and 8 feet wide. According to the product label, the 5 lb. bag of pre-emergence herbicide will cover 200 ft2. How many bags will need to be bought?
(a) 1 bag (b) 3 bags
(c) 2 bags (d) 1.6 bags
Problem #3:
Jeff owns a landscape business that specializes in hard wood mulches. He knows that during delivery and in the process of mulching, that the mulch will settle down (compact) 1/3 of what is required. Therefore, 1/3 more mulch is needed to what is calculated as the volume for a particular area. For this problem, a client has a garden bed that is 15 feet wide and 45 feet long. It needs to be mulched to a depth of 4 inches. How many yards of mulch does this customer need? (remember to include for compaction).
(a) 222.75 (b) 8.25 (c) 11 (d) 19.25
Problem #4:
Hawcott Lawn and Landscape’s crew can install 400 sq. ft. of sod in an 8-hour day, how many hours will be required to install 280 sq. ft.
(a) 5.6 hours (b) 2.5 hours (c) 3.7 hours (d) 6.0 hours
Problem #5:
Your lawn is 2000 square feet. You wish to apply 3 pounds of grass seed per 100 square feet of lawn space. How many pounds of the seed must be applied to meet your goal?
(a) 20 lbs (b) 22.5 lbs (c) 60 lbs (d) 67.5 lbs
Problem #6:
In Mr. Thompson’s backyard, there is a low spot with a diameter of 20 feet. He wants to have it filled with 6 inches of topsoil. How many total yards of topsoil does he need to fill it?
(a) 4 (b) 6 (c) 8 (d) 10
Problem #7:
Which is larger in surface area?
(a) a 16 foot diameter circle (b) a 240 inch diameter circle
(c) a 5 foot wide by 8 foot long rectangle (d) a 36 inch wide by 108 inch long rectangle
Problem #8:
You wish to apply 4 pounds of live grass seed per 1000 square feet of lawn space. The grass seed you bought has a 80% germination rate. How many pounds of the seed must be applied to meet your goal? (your lawn is 100 feet wide and 150 feet long).
(a) 4 (b) 5 (c) 15 (d) 50 (e) 75
Problem #9:
A scale that is listed as 1” = 12’ means that every inch on the plan equals the length of ____ ?
(a) 12 feet (b) 12 inches (c) 10 feet (d) 8 inches
Problem 10:
A flower bed is 400 square feet in size. The flowers are to be spaced every 12 inches apart. How many flowers will it take?
(a) 800 (b) 600 (c) 400 (d) 200 (e) not enough information
Problem 11:
A retaining wall is 4 feet high and 30 feet long. Each block will take up 1.5 square feet of surface space (1 foot high x 1.5 feet long). How many blocks are needed?
(a) 50 (b) 60 (c) 70 (d) 80 (e) 90
Problem #11:
Mrs. Jones is installing 210 feet of edging around her flower beds. The edging comes in 8 foot long sections. How many does she need to buy?
(a) 20 (b) 22 (c) 25 (d) 27 (e) none of these is right
Problem #12:
A greenhouse has a bench that is 250 square feet. They will place flower pots onto the bench that are 6 inch pots (6 inches wide by 6 inches wide). How many of these pots will fit onto the bench?
(a) 2000 (b) 1500 (c) 1000 (d) 500 (e) 250
Problem 13:
Which is longer according to the scale size/proportion?
a. scale size is 1”= 10 feet
b. scale size is 1” = 20 feet
c. scale size is 1” = 15 feet
Problem 14:
I have a patio that is 100 square feet in size. I will be using bricks that are 4” x 8”. How many bricks are needed?
(a) 300 to 400 (b) 401 to 500 (c) 501 to 600 (d) 601 to 700
-- over –
Problem #15:
A lawn is 12,000 square feet in size. A local landscape company will fertilize the lawn for $.03 per square foot. How much will it cost to fertilize this lawn?
(a) <$100 (b) $100 to $200 (c) $201 to $300 (d) $301 to $400 (e) >$400
Problem 16:
The circle shown is made using a 1” = 10’ scale. What is its diameter?
(a) < 5 feet (b) 5 to 10 feet (c) 11 to 15 feet (d) 16 to 20 feet
Problem Solving Quiz Page # 1