Question

Which ratio is equivalent to 2:1?
A: 1:2
B: 10:5
C: 1:3
D: 2:1

Answer 1

B: 10:5.

Explanation:

To find equivalent ratios, multiply both sides by the same number.

Equivalent ratios:

Multiplied by 2: 4:2

Multiplied by 3: 6:3

Multiplied by 4: 8:4

Multiplied by 5: 10:5

Multiplied by 6: 12:6

Multiplied by 7: 14:7

Option A is incorrect, the ratio is the opposite of 2:1.

Option C is incorrect, the ratio isn't equivalent to 2:1.

Option D is incorrect, it's the same ratio as 2:1. Not a different, equivalent ratio.

Option B is correct, it's one of the equivalent ratios supported above.