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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 Elevo
by
4.7k points

2 Answers

12 votes

Answer:

12

Explanation:

g+I = 72

I * 5 = g

(I*5) + I = 72

6i = 72

I=72/6

I = 12

User Niftygrifty
by
5.2k points
7 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 Maszter
by
5.1k points