Answer:
See answers below
Step-by-step explanation:
Given the following ratios. We are to express them in their simplest forms
15:12
= 15/12
= (3*5)/(3*4)
= 3/3 * 5/4
= 5/4
b) 42:1
= 42/1
= 42
Given that 2:x :: 4:6
2/x = 4/6
Cross multiply
4x = 2*6
4x = 12
x = 12/4
x = 3
Hence the value of x is 3
Answer:
2/7
Step-by-step explanation:
Because there are a total of 7 keys and he has 2 for his car so 2/7.
:DDDDD
Answer:
y=5x+10
Step-by-step explanation:
Answer: No the third one , you have to find the distance around the figure
Step-by-step explanation:
If you break it down it goes to 2 laps every 5 minutes. So any set that follows this "pattern" would be proportional