I believe it is -7 but I may be misunderstanding the question
1.) 3+2=? ?=5 brothers 2.) 54+9=? ?=63 students 3.) 15-9=? ?=4
4.) 60-20=? ?=40 children 5.) 50-15=? ?=35 trees 6.) 14+4=? ?=18 times
Don't know why you needed help with this but ok.
Answer:
x=82/81
Step-by-step explanation:
Hope this helps i spent around fourty minutes trying to figure it out, but im still in my younger ages of highschool so yeah.
Percent increase=increase/original converted to percent
increase=new-original=2.35-2.10=0.25
percent increase=0.25/2.10=0.11904=11.9%
