4/3
40/30
60/45
Simply multiply or divide both the 20 and the 15 to get an equivalent ratio.
5x+2y=20 when x=3/10 is:
5(3/10)+2y=20
15/10+2y=20
1.5+2y=20
2y=18.5
y=9.25
Answer:

Step-by-step explanation:
Given


Required
Determine the domain
First, we need to solve for p
Substitute 70 for t in 

Collect Like Terms


Solve for p


This implies that Larry can not invite up to 6 people.
Hence, the domain can be represented as: 
Divide 40 liters into the ratio 1:3.
40 - 10 = 30
10 + 30 = 40
10:30
40 liters divided into the ratio 1:3 is 10:30. <span />
Answer: 1122
Step-by-step explanation: