Question

Finding the new amount after a percentage increase or decrease
(Hint: use increase/decrease multipliers)
1)
a) Increase £130 by 15%
c) Decrease £300 by 16%
b) Increase 2.6m by 45%
d) Decrease 7m by 34%
2) A Shop has a sale and decreases its prices by 35%. Before the sale a TV cost
£450, how much is it now?
3) Anita receives a pay increase of 4%. She was earning £7.50 per hour, now how
much is she earning?
4) A catalogue is selling clothes at a 12% discount of prices in the high street store.
How much would a Jumper be in the catalogue if it was £55 in store?

Answer 1

Answer:

Given below

Step-by-step explanation:

1)

a) Increase £130 by 15%

£130*1.15 = £149.5

c) Decrease £300 by 16%

£300*0.84 = £252

b) Increase 2.6m by 45%

2.6m*1.45 = 3.77m

d) Decrease 7m by 34%

7m*0.66 = 4.62m

2) A Shop has a sale and decreases its prices by 35%. Before the sale a TV cost  £450, how much is it now?

£450*0.65 = £292.5

3) Anita receives a pay increase of 4%. She was earning £7.50 per hour, now how  much is she earning?

£7.50*1.04 = £7.8

4) A catalogue is selling clothes at a 12% discount of prices in the high street store.  How much would a Jumper be in the catalogue if it was £55 in store?

£55/0.88 = £62.5