100 points for atblog

1) 6

2) 5

3) 3

Step-by-step explanation:

36 ÷ 6 = 6

25 ÷ 5 = 5

9 ÷ 3 = 3

The 3rd gardener was fastest it took him 3 minutes per bush

Time taken per bush for the first gardener:36/6=6minutes

Time taken per bush for the second gardener:25/5=5minutes

Time taken per bush for the third gardener:9/3=3minutes

Third gardener trimmed bushes fastest.

it is a reproduction.

step-by-step explanation:

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6