Mrs. Grijalva hired a landscaping company to landscape her back yard. The company has a standing policy to plant 3 bushes for every tree planted. The company charges $75 for each tree planted and $20 for each bush. Mrs. Grijalva was billed for $810 after the planting was complete. How many bushes did the company plant in Mrs. Grijalva's back yard?

Question

Melanie

Mathematics

25 May, 10:45

Mrs. Grijalva hired a landscaping company to landscape her back yard. The company has a standing policy to plant 3 bushes for every tree planted. The company charges $75 for each tree planted and $20 for each bush. Mrs. Grijalva was billed for $810 after the planting was complete. How many bushes did the company plant in Mrs. Grijalva's back yard?

+4

Answers (1)

Know the Answer?

Chase · Answer 1

Given:

3 bushes for every 1 tree planted

cost of a tree = 75

cost of a bush = 20

75t + 20 (3t) = 810

75t + 60t = 810

135t = 810

t = 810 / 135

t = 6

6 trees planted.

1:3 = 6:x

x = 3*6

x = 18

18 bushes planted.