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Maths Puzzle
Numerical Ability
a boy is 5 years old, and his sister is twice as old. when the boy is 8 years, what will be the age of his sister?
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please solve for x and y
y=-2x+6
y=x
dividing exponents answer following proplems
1. 10b/b^2=
2. p^2q^3=
3. 10^8/10^5=
4. 24b^3/12b^2=
5. ab^3/a^5
6. 24p^2qr/363pr^3