1.2+d+0.4=9.7
1.6+d=9.7
-1.6. -1.6
D=8.1
Step-by-step explanation:
let the percent of found balloons be x
given,
total number of balloons= 70
number of found balloons= 28
according to the question,
x% of 70= 28
x/100 × 70 = 28
x=40
hence 40% of the balloons were found
Answer:

Step-by-step explanation:
To get the answer just subtract f(x) by g(x)
The work is shown below:

Answer:
-2;12
Step-by-step explanation:
it's too easy!