Revision 2

find 190% of 20

• 39

• 38

• 37

• 40

• 2.4

• 24

• 2400

• 240

• 50 %

• 60 %

• 18 %

• 9 %

• 38

• 50

• 19

• 25

The original price of a pair of sunglasses is AED 149

The sale price is AED 110

Calculate the amount of the discount.

• 29

• 26.17

• 39

• 49

• 13

• -13

• -10

• 7

• 1

• 17

• -17

• -1

• -1

• 1

• 27

• -27

• -18

• 0

• 36

• -36

The equation y = 0.23 x represents the growth of a rose bush (y), measured in millimeters, each week (x).

What is the constant of proportionality?

• 0.23

• 23

• 230 x

• x