Question

Heyy

for these answers can i also have an explanation on how to work them out [completely forgot as i haven't done these in ages]
1. 56 kg increased by 15%
2. 436 g increased by 12.5%
3. 43cm decreased by 20%
4. £550 decreased by 8.5%
thanks :)

Answer 1

1. 64.4kg

2. 490.5g

3. 34.4cm

4. 503.25

Explanation:

1. 56+(56×15/100)

2. 436+(436×12.5/100)

3. 43-(43×20/100)

4. 550-(550×8.5/100)