# Problem solving with equations V

## Interactive practice questions

Is $x=\frac{1}{4}$x=14 a solution of $x+\frac{2}{3}=\frac{11}{12}$x+23=1112?

Yes

A

No

B

Yes

A

No

B
Easy
Less than a minute
Is $x=\frac{7}{12}$x=712 a solution of $x-\frac{4}{9}=\frac{17}{36}$x49=1736?
Consider the relationship between the number of pink triangles $\left(p\right)$(p) and the number of columns $n$n.
A racing car starts the race with $120$120 litres of fuel. From there, it uses fuel at a rate of $3$3 litres per minute.