I believe it would be 160 because if you divide the number of students they surveyed by the amount that said they would attend (48/12) you get 4 then if you divide 4 by the amount of students in total (640/4) you get 160
The 15th arrangement will have both a blue and red ribbon
Answer:because it’s just reversed
Step-by-step explanation:
Step-by-step explanation:
7×9÷2
By using the rule of BODMAS , we get
7×9÷2
7×4.5
31.5
Answer:
8.48528137424^2
Step-by-step explanation:
8.48528137424x8.48528137424
= 72