Identify the Problem Below That Is a Constant Relationship

Multiple Choice

Identify the problem below that is a constant relationship.

A) Janet and Jean were walking to the park,each walking at the same rate.Jean started first.When Jean has walked 6 blocks,Janet has walked 2 blocks.How far will Janet be when Jean is at 12 blocks?
B) Kendra and Kevin are baking muffins using the same recipe.Kendra makes 6 dozen and Kevin makes 3 dozen.If Kevin is using 6 ounces of chocolate chips,how many ounces will Kendra need?
C) Lisa and Linda are planting peas on the same farm.Linda plants 4 rows and Lisa plants 6 rows.If Linda's peas are ready to pick in 8 weeks,how many weeks will it take for Lisa's peas to be ready?
D) Two weeks ago,two flowers were measured at 8 inches and
12 inches,respectively.Today they are 11 inches and 15 inches tall.Did the 8-inch or 12-inch flower grow more?