Jennifer and Chelsea each improved their yards by planting rose bushes and geraniums. They bought their supplies from the same s

Question

2 years ago

7

Jennifer and Chelsea each improved their yards by planting rose bushes and geraniums. They bought their supplies from the same s

tore. Jennifer spent $146 on 6 rose bushes and 14 geraniums. Chelsea spent $57 on 1 rose bush and 7 geraniums. What is the cost of one rose bush and the cost of one geranium?

Mathematics

1 answer:

zvonat [6] · Answer 1 · 2022-09-15T09:27:55+03:00

zvonat [6]2 years ago

8 0

Answer:

$15.00

Step-by-step explanation:

Suppose 1 rose bush costs r dollars,

Suppose 1 geranium costs g dollars.

Here are 2 equations:

1)6r+14g=146

3r+7g=73

2)r+7g=57

r=57-7g

Put 2) in 1)

3(57-7g)+7g=73

171-21g+7g=73

98=14g

g=7

r=8

7+8=$15.00

Hope I helped!