Malala is following this recipe for bread rolls. She uses 400 g of flour.
How much of the other ingredients does she use?

Recipe: Makes 12 bread rolls
600 g flour
12 g salt
9 g yeast
42 mL oil
330 mL water

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

He was paid 23 dollars for each lawn

A=bxh3.2x1.8=5.76 centimeters square