Answer:
A and B are correct
Step-by-step explanation:
if x:y is 1:3 then x is 1 and y is 3
1/3 of 3 is 1 so A is correct
3/4(1+3) is 3 so B is correct
But
1/4 × 3 is not 1 so C is not correct
3/4 ×1 is not 3 so D isn't correct
Answer:
Jena=18 miles Brian=36 miles
Step-by-step explanation:
well if you add what Richard got and double it (9+9=18 or 9x2=18) you get how much Jena ran. then if u add (9+9+9+9=36 or 9x4=36) you get Brians miles he ran
Answer:
(3 x X) + 2
Can be a possible way if you factor it out I think.
Answer:
6 
x 8
Step-by-step explanation:
We'll represent the number with the expression 4x + 7
Then, we'll set up the inequality:
31 4x + 7 55
24 4x 48
6 x 8
