Rob is 18
Jake is 9
21-15=6
6+3=9
9x2=18
(No clue how I got 15 )
Exact form: 9/20 and decimal form: 0.45
Step-by-step explanation:








The answer is C.
Answer:
18 boys
Step-by-step explanation:
we add 2 and 3 because they are equal parts:
2+3=5
Then we divide 45 by 5 because we want to find what 1 part equals"
45/5=9
We now do 9*2 to get an answer of:
9*2=18
hope this makes sense!
Answer:
I= 84
Step-by-step explanation:
for

since D is the rectangle such that 0<x<3 , 0<y<3
