Question

Linda wants to plant a rose garden. She needs 4 plants to cover 10 square feet of planting space. How many rose bushes does she need to cover a rectangular area 20 feet long and 10 feet wide

Answer 1

80 plants

Explanation:

Area of garden,
`A=20 ft* 10 ft=200 ft^(2)`

4 plants cover 10 sqrt ft

x plants cover 200 sqrt ft

`x=\frac {4* 200}{10}=80 plants`

Therefore, Linda requires 80 rose bushes to cover her rectangular garden