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Answer:
option c. figure b.......
Yes it will have only one solution
Kate is 3 years old
Explanation:
Kate is x for example, then her father would be
x+32
In five years he would be x+32+5, x+37, but he would also be 5 times older.
Kate will also be x+5.
SO, we know that
x+37=5 · (x+5)
When we simplify, we get
x+37 = 5x+25
Simplify further, you get
12=4x, so
3=x
Kate is 3 years old currently
Here is a story problem that can go with this:
There was of the cake left after the party. Matthew ate of the leftover cake. How much of the cake did Matthew have?