Question

Adam has five blue pencils how many red pencils what do you need to have that the ratio of blue pencil is 1:2

Answer 1

10

Explanation:

ratio 1 : 5

for 5 blue pencils ratio = 1

x red pencils ratio. = 2

simply 5B = 1

xR = 2

5B × 2 = R

R = 10

Therefore 10 red pencils are required

Answer 2

10 red pencils because 10 is double 5 so it would be 5:10 which simplifies to 1:2