Step-by-step explanation:
Hello there!
First, find the area of the patio;
630 x 120 = 75600 cm ^2
Divide that by the area of one paver;
75600/30^2=84 pavers
Now find the price:
84*2.50=£210
:)
Answer:
120cm ÷ 30 = 4
630cm ÷ 30 = 21
21 × 4 = 84
2.50 × 84 = $210
