Percentages
Increase/Decrease
% of Quantities
Unitary Method
Like Terms - Algebra
75

WRITE 0.34 AS A %

34%

75

INCREASE $70 BY 10%

$77

75

50% OF $90

$45

75

IF 10% IS $6, WHAT IS 100%?

$60

75

SIMPLIFY:  11a + 8a =

19a

150

WRITE  3/4  AS A %

75%

150

DECREASE 125kg BY 20%

100kg

150

25% OF 64kg

16kg

150

IF 20% IS $8, WHAT IS 100%?

$40

150

SIMPLIFY: 10b - 3b + 4b =

11b

225

CONVERT 15% TO A FRACTION

15/100 = 3/20

225

A $40 SHIRT HAS 20% OFF. SALE PRICE?

$32

225

13.5% OF 350 mL

47.25 mL

225

IF 25% IS 10 km, WHAT IS 100%

40 km

225

SIMPLIFY: 2a x 3b x -8a =

 -48a^2b 

300

CONVERT 12.5% TO A DECIMAL

0.125

300

INCREASE 80cm BY 15%

92cm

300

28.5% of 3 metres (answer in cm)

85.5cm

300

12% OF TOTAL WEIGHT IS 15kg. WHAT IS THE FULL WEIGHT?

125 kg

300

Simplify 2m x 3n x 2n x -5n

-60mn^3

375

WHICH IS LARGER  2/5  OR 38%

 2/5 

375

A $200 BIKE IS INCREASED BY 10% AND THEN DECREASED BY 10%. FINAL PRICE?

$198

375

15% of 4 hours (answer in minutes)

36 minutes

375

15% OF YOUR MONEY IS $45. WHAT IS 100%?

$300

375

SIMPLIFY:  (10x^2y)/(2xy^3) 

 (5x)/(y^2) 

M
e
n
u