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30 votes
30 votes
Ilka and grandma are 72 years old together. Grandma is five times as old as Ilka. How old is Ilka? Solve with an equation.​

User Madhurendra Sachan
by
3.2k points

2 Answers

26 votes
26 votes

Answer:

12

Explanation:

g+I = 72

I * 5 = g

(I*5) + I = 72

6i = 72

I=72/6

I = 12

User Luke Francl
by
2.7k points
10 votes
10 votes

Answer:

let ikas age be x

then grandma will be 5x

so equation will be


5x + x = 72 \\ 6x = 72 \\ x = (72)/(6) \\ \\ x = 12 \\

Explanation:

hope it helps uh<3

User Nfirex
by
2.7k points