Answer:
4 1/2 days
Step-by-step explanation:
<u>cows | 6 | 9</u>
<u>days | 3 | </u><u> x</u>
6 divided by 2 is 3
9 divided by 2 is 4.5
x = 4 1/2 days
Last option
0.52 are girls
so boys = 1 - 0.52 = 0.48
But only half are in clubs
= 0.5 (0.48)
Total students are 1525
= 1525 (0.5) (0.48)
The last option is right
Test one would be the worst one