I’m not sure but this could help
-10b--3b= 7b and then 113-71=42 and 42 divide it by 7b which is gonna be b=6
24 students / 2 = 12 pairs
12-9 = 3 more pairs need magnets
3 * 3 = 9 more magnets
Answer:
501613 books
Step-by-step explanation:
6.2% of x is 31,100
6.2%=6.2/100=62/1000
(62/1000)*x=31,100
x=31,100/(62/1000) [divide both sides by 62/1000]
x=501612.90=501613 (rounded up)
Hope this helps!
