50 = 1*50
50 = 2* 25
50 = 5* 10
the factors of 50 = 1,2,5,10,25, 50

the fractions are set up so minutes cancel out
multiply the numerators to get 45 miles
multiply the denominators to get 1 hour
45 miles per hour
hope this helped
Answer:
420:280
Step-by-step explanation:
first you add 3:2 up which comes to 5.
700 divided by 5 = 140.
3:2 means that 3 will get 3 lots of 140 and 2 will get 2 lots of 140.
3x140= 420.
2x140= 280
the ratio is 420:280
Answer:
y= -2
x= -1
Step-by-step explanation:
9) 147
10) 145
greatest common factor is 14 I think