I believe the answer is ten pairs...
The two rows each have 3 pairs touching, and the four columns each have 1, which makes 2*3 + 4*1 = 10
Answer:
$13.80
Step-by-step explanation:
23% of 60 = .23 x 60
1 meter = 100 centimeters, so 120 centimeters equal to 1.2 meters.
That is a ratio. 7 x 3 = 21 and 13 x 3 = 39.