CAIE IGCSE Mathematics E1.10.1 Give upper & lower bounds for data rounded to a specified accuracy.

Practise writing upper and lower bounds for values rounded to a stated accuracy, including decimal, integer and measurement contexts.

[Maximum number: 2]

Solve the equation.

\frac{1-x}{3}=5

-14
M1 for $1-x=3\times5$ or better, or $\frac{x}{3}=5-\frac{1}{3}$ or better.

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E1.10.1 Give upper and lower bounds for data rounded to a specified accuracy. question 1