Answer:
She was there for 3 hours.
Step-by-step explanation:
7.25-5= 2.25
2.25÷0.75=3
x = 8, --- 12
I hope this helped :))))))))))))))))))
30% is needed because i believe it is i am really trying hope u get it right <span />
The answer is 9
9 times 2 = 18
9 times 5 = 45
Sum means add
the number is x
13 divided by a number is 13/x
the number divided by the number is x/13
so

also can be simplified to

or

translated it is

where x is the number