Calculate Percentage Increase in Mobile Phone Sales from April to May

Math Problem Statement

A shop sells mobile phones. The table shows the number of mobile phones sold each month from January to May. Jan:70 Feb:64 March:73

(a) Work out the percentage increase in the number of mobile phones sold from April to May. Give your answer correct to 3 significant figures.

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Percentage increase
Arithmetic

Percentage increase formula: (New Value - Old Value) / Old Value * 100

Grades 6-8

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