Answer:7 + n × f
Step-by-step explanation:
Answer:
The 2 numbers are -12.5 and 17.5.
Let 1 number be x then x - y = 30 where the other number is y.
y = x - 30 so the sum is:
x - 30 + x = 5
2x = 35
x = 17.5
and y = 17.5 - 30 = -12.5.
there are 18 dogs and 3 cats.
21
