Answer:

Step-by-step explanation:
we know that
To find out how much solution the scientist used for the experiment multiply 3/4 by 1/6
so

simplify

Answer: 1. Proportional 2. Not Proportional
Step-by-step explanation: cross multiply.
1. 16*9=144
36*4=144
2. 8*80= 640
20*20=400
Answer:
16)<1 and <7
<8 and <2
<6 and <4
<3 and <5
17)<2 and <3
<7 and <6
18)<1 and <3
<8 and <6
<7 and <5
<2 and <4
19) <1 and <5
<4 and <8
20)<7 and <3
<2 and <6
Step-by-step explanation:
Answer:
Step-by-step explanation:

Answer:
5 more weeks
Step-by-step explanation:
5 more weeks if he already sold 15. 10 more weeks if you exclude the 15 he already sold.