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Groks mother weighed
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4 votes
Groks mother weighed

User Dmcquiggin
by
5.1k points

2 Answers

6 votes
the answer is 66 your welcome
User Plok
by
5.2k points
5 votes

Answer:

62 Kg

Explanation:

Let g = weight of Grok last year in kg

m = weight of Grok's mother last year in kg

m = 3g

m-4 = 2(g+9)

since m = 3g

(3g)-4 = 2(g+9)

3g -4 = 2g + 18

3g-2g = 18+4

g = 22

m = 3*22

= 66

Note that:

g+9 = weight of Grok now

m-4 = weight of Grok's mother now

Grok weighs 31 Kg now

Grok's mother weighs 62 Kg now

User Lista
by
5.3k points
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