this week Rajiv's puppy weighs 8 kilograms. Last week the puppy weighed 6.5 kilograms how much mass in grams did the puppy gains

1,500 G

Step-by-step explanation:

1 Kilogram (Kg) = 1,000 Grams (G)

8-6.5= 1.5

1.5x1,000=1,500

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9

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