Question

What is the final amount if 457 is decreased by 1% followed by a further 3% decrease?
Give your answer rounded to 2 DP.​

Answer 1

Answer:

457 totally Decreased

1%+3%=4%

1%=4.57

therefore 4%= 4.57*4=

18.20

New number..

457.18-18.20

438.8

is the answer

Answer 2

Answer:

438.86

Step-by-step explanation:

decreased by 1% followed by a further 3% decrease

457 x (1-1%) x (1-3%)

=457 x 0.99 x 0.97

= 438.8571

= 438.86 (to 2 dp)