When a dealer sells a bicycle For 8,100, he makes a profit
of 8% what did he pay for
the bicycle

$7,500

Step-by-step explanation:

7,500 + 8% = 8,100

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

happy to

pls mark as brainliest