Peanuts cost £6.40 per kg. Find the cost of 100 g of peanuts

Katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress?

How do i do this activity, is appreciated

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function