Adil and Brian are paid the same wage. Adil is given a $$$7 \%$$$ pay decrease and his new wage is $$$\$ 427.80$$$. Brian is given a $$$7 \%$$$ pay increase. Work out Brian's new wage. $$$\$............................$$$

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_w20_qp_23 Year：2020 Question No：17

Answer:

$492.2[0]$

E1.12.1 Calculate a given percentage of a quantity.

E1.12.2 Express one quantity as a percentage of another.

E1.12.3 Calculate percentage increase or decrease.

E1.12.4 Carry out calculations involving reverse percentages. (e.g. finding the cost price given the selling price and the percentage profit.)

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