A shopkeeper buys a dress for $40 She sells it for $48
Work out the percentage increase in the price of the dress.

48 - 40 = $8, there is a $8 dollar increase.

Formula for change of percentage;

changed price

x 100% (100/100)

original amount

Replace those values with the values we found;

40/48 x 100/100 = 20% increase.

7

step-by-step explanation:

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option