Step-by-step explanation:
2.85-2.79 is 0.06
0.06/2.85 X 100 is 2.1% decrease
27 students would want to go again since 45% of 60 is 27
The ratio 2:11 means for every 3 apple trees they will plant 11 pear trees.
They are planting 150 apple trees. Divide total apple trees by the ratio: 150/3 = 50
Multiply that by the ratio of pear trees:
50 x 11 = 550
They need to plant 550 pear trees.
The answer would be the last option. :)