Richard records the weight of his two pets in a table, as shown. after how many weeks were the pets the same weight? what was their weight at that time? pet 1 week weight (grams) 0 400 2 800 pet 2 week weight (grams) 0 500 2 700 at 1 week, they both weighed 600 grams. at 2 weeks, they both weighed 500 grams. at 3 weeks, they both weighed 650 grams. at 4 weeks, they both weighed 1,000 grams.

After week 1 both the pets were having same weights of 600 gms.

Step-by-step explanation:

As given in the question weights of two pets are

Week   weight of pet 1(in gm)     weight of pet 2(in gm)

  0                       400                              500

  1                        600                              600

  2                       800                              700

  3                       1000                             700

In this table weights of the pets at 0 wk and 2 wk has been given only and we have calculated the weights by averaging their weights at 1 and 3 wk.

1). weight at 1 week = (weight at 0 wk + weight at 2 wk)/2

weight of pet 1 = (400+800)/2 = 600 gm

weight of pet 2 = (500 + 700)/2 = 600 gm

2).weight at 2 week = (weight at 1 wk + weight at 3 wk)/2

Therefore weight after 3 week = 2×weight after 2 week - weight after 1 week.

weight of pet 1 = 2×800 - 600 = 1600-600 =1000 gm

weight of pet 2 = 2×700 - 700 = 700 gm.

Now we have got the answer from the table formed that after 1 week both the pets were of same weight 600 gm.

10% of increase is the final answer! : )

sorry i need the points

step-by-step explanation:

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