Question

Guided Practice1. Based on the information in the table, is the relationship between timeand the number of words typed a proportional relationship?(Explore Activity and Example 1)Time (min)1 2 3Number of words45 90 135180Number of words45MinutesThe relationship is is not proportional.Find the constant of proportionality k. Then write an equationfor the

Answer 1

45/1 = 45

90/2 =45

135/3 = 45

180/4 = 45

The relationship is proportional .


k =45 words per minute